英文字典中文字典Word104.com



中文字典辭典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z   







請輸入英文單字,中文詞皆可:

precursor    音標拼音: [prik'ɚsɚ]
n. 先驅者,前導,先進者

先驅者,前導,先進者

precursor
n 1: a substance from which another substance is formed
(especially by a metabolic reaction)
2: a person who goes before or announces the coming of another
[synonym: {precursor}, {forerunner}]
3: something that precedes and indicates the approach of
something or someone [synonym: {harbinger}, {forerunner},
{predecessor}, {herald}, {precursor}]

Precursor \Pre*cur"sor\, n. [L. praecursor, fr. praecurrere to
run before; prae before currere to run. See {Course}.]
One who, or that which, precedes an event, and indicates its
approach; a forerunner; a harbinger.
[1913 Webster]

Evil thoughts are the invisible, airy precursors of all
the storms and tempests of the soul. --Buckminster.
[1913 Webster]

Syn: Predecessor; forerunner; harbinger; messenger; omen;
sign.
[1913 Webster]

166 Moby Thesaurus words for "precursor":
advance guard, agent, airhead, alterant, alterative, alterer,
ancestor, ancestors, announcer, antecedence, antecedency,
antecedent, anteposition, anteriority, apprentice, architect,
artificer, artist, author, avant-garde, battle line, beachhead,
begetter, beginner, bridgehead, buccinator novi temporis, builder,
catalyst, catalytic agent, colonial, colonist, colonizer,
conceiver, constructor, craftsman, creator, danger sign, designer,
deviser, discoverer, dominion, early bird, early comer,
early riser, early symptom, effector, engenderer, engineer,
executor, executrix, falling barometer, farthest outpost, father,
ferment, first arrival, first line, forefront, foregoer, foregoing,
forerunner, foreshadower, founder, front, front line,
front position, front rank, front-runner, gathering clouds,
generator, grower, harbinger, heading, herald, high sign,
homesteader, immigrant, inaugurator, industrialist, initiator,
innovationist, innovator, instigator, institutor, introducer,
inventor, journeyman, le pas, leading, leaven, line, maker,
manufacturer, master, master craftsman, messenger, modificator,
modifier, mother, nester, omen, organizer, originator, outguard,
outpost, outrider, past master, pioneer, planner, planter, point,
precedence, precedency, precedent, preceding, precession,
predecessor, preference, prefixation, preliminary sign, prelude,
premise, premonitor, premonitory sign, premonitory symptom,
presager, prime mover, priority, prodroma, prodrome, producer,
prothesis, prototype, quarantine flag, railhead, raiser, realizer,
red flag, red light, scout, settler, shaper, sire,
skull and crossbones, smith, sooner, spearhead, squatter,
storm petrel, stormy petrel, superiority, symptom, the lead,
thundercloud, thunderhead, top priority, transformer,
transmogrifier, urgency, van, vanguard, warning sign,
warning signal, wright, yeast, yellow flag, yellow jack

請選擇你想看的字典辭典:
單詞字典翻譯
precursor查看 precursor 在Google字典中的解釋Google英翻中〔查看〕
precursor查看 precursor 在Yahoo字典中的解釋Yahoo英翻中〔查看〕





安裝中文字典英文字典查詢工具!


中文字典英文字典工具:
選擇顏色:
輸入中英文單字

































































英文字典中文字典相關資料:
  • Generators Alternators - Trainorders. com
    It is my understanding that in the first versions of the diesel electric locomotives, that the main generator was a DC machine with comutator bars and brushes Somewhere down the line, the main generator became an alternator which is a basic AC machine followed by a rectifier package, typically a
  • SP #3204 on Amtrak 1971 - Trainorders. com
    Two Southern Pacific SDP45s with #3204 on the point arriving at the Santa Barbara California station with the Amtrak Westbound Coast Starlight in September of 1971 Although I believe it was srill called the Coast Daylight train when Amtrak took over the passenger service on SP's Coast Route
  • SP Light helper at Pryor 1993 - Trainorders. com
    Southern Pacific helper set of rebuilt SD45T-2 #6868 and rebuilt SD45 #7515 head downgrade light at the RR West end of Pryor after helping a Westbound up to Cascade Summit on SP's Cascade Line in Oregon on September 17th, 1993
  • Trainorders. com
    Trainorders com
  • Tragic Head-On Conrail Wreck 1 14 1988
    1 On Thursday 1 14 88, there was a terrible head-on collision between two Conrail trains, W B TV-61 E B UBT-506 I went to the scene on Saturday, 1 16 88 As I arrived, an E B coal train was passing with two CR SD50s led by 6704 Even two days after the incident, many people were still gathered at the site 9:56AM on 1 16 88 in Thompsontown Station, PA
  • Nostalgia History gt; Station Saturday - Trainorders. com
    Pre-wire stations along the former New Haven mainline New London, CT June 1978 Two views, Westerly, RI October 1990
  • WAG Wednesday: Early GE Demos
    I remember first seeing these distinctive creatures back in 1979 It was during one of the early “railfan archaeological expeditions” Bill Gibson graciously allowed me to take into his wonderful slide collection He had a policy of letting me take only 20 slides at a time for Kodak duplication
  • Resetting a LokSound Decoder to Factory Settings - YUCK!
    I was poking around on a LokSound 5 decoder, and got some of the logic messed-up for a Function Key I couldn't remember what I had changed to cause that issue No problem I would just reset the decoder to quot;Original Factory Settings quot; Change the value of CV8 to 8 Save Done
  • Nostalgia History gt; 8444 at Greeley - Trainorders. com
    Here’s a bit of ‘extra’ Steam on Sunday for you I’m betting someone out there might know the exact date here?! Oh yeah: And I got a little chuckle out of seeing 3 cars abreast over there in a potential demo-derby… ;^) 1 UP 8444 in Greely, CO in Se
  • Model Railroading gt; FSR Radios - Trainorders. com
    Does anybody currently use Family Service Radios (FSR) during operation sessions? We currently use Radio Shacks 5 Channel FM transceivers, but over time, they are starting to break We did purchase Maxon 5 channel radios, but found that the DC motors in our switch machines cause interference, and t





中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典