drilling 音標拼音: [dr'ɪlɪŋ]
n . 演練
演練
drilling n 1 :
the act of drilling [
synonym : {
drilling }, {
boring }]
2 :
the act of drilling a hole in the earth in the hope of producing petroleum [
synonym : {
boring }, {
drilling }, {
oil production }]
Drill \
Drill \,
v .
t . [
imp . &
p .
p . {
Drilled };
p .
pr . &
vb .
n .
{
Drilling }.] [
D .
drillen to bore ,
drill (
soldiers );
probably akin to AS .
pyrlian ,
pyrelian ,
to pierce .
See {
Thrill }.]
1 .
To pierce or bore with a drill ,
or a with a drill ;
to perforate ;
as ,
to drill a hole into a rock ;
to drill a piece of metal .
[
1913 Webster ]
2 .
To train in the military art ;
to exercise diligently ,
as soldiers ,
in military evolutions and exercises ;
hence ,
to instruct thoroughly in the rudiments of any art or branch of knowledge ;
to discipline .
[
1913 Webster ]
He [
Frederic the Great ]
drilled his people ,
as he drilled his grenadiers . --
Macaulay .
[
1913 Webster ]
Drilling \
Drill "
ing \,
n . [
G .
drillich ,
fr .
L .
trilix having three threads ,
fr .
the of tres three licium a thread of the warm .
See {
Three },
and cf . {
Twill }.] (
Manuf .)
A heavy ,
twilled fabric of linen or cotton .
[
1913 Webster ]
Drilling \
Drill "
ing \,
n .
1 .
The act of piercing with a drill .
[
1913 Webster ]
2 .
A training by repeated exercises .
[
1913 Webster ]
Drilling \
Drill "
ing \,
n .
The act of using a drill in sowing seeds .
[
1913 Webster ]
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