Didro迪德罗
didv.做conj.是;要;做
didn't approve of the decision.你打扫壁橱了吗?
Did you measure the distance?你量过这段距离吗?
Did make-up make for looks?化妆品有助于容颜吗?
Did you hear yesterday's news?你注意到他停了一会儿吗?
Did he have any peculiarities?他有什么特征吗?
Did anyone notice the mistake?谁注意这个错误了吗?
Did he favour your suggestion?他赞成你的建议吗?
didecyl dimethyl ammonium chloride双癸基二甲基氯化铵
Did the Chinese medicine help?那中药有效吗?
Did you check the transformer?你检查了变压器没有?