dual（英语单词）_百度百科 About 10 percent of students in the Portland, Oregon public schools are assigned by lottery to dual-language classrooms that offer instruction in Spanish, Japanese or Mandarin, alongside English
DUAL中文 (简体)翻译：剑桥词典 - Cambridge Dictionary These painkillers have the dual strength of ibuprofen and codeine, for fast and effective relief A product with dual action - that kills bacteria and removes stains - is really the best