Tracer bullet
曳光子弹
🧩 词语组成解析
tracer
['treisə]
n. 追踪者，描图者，（铁笔等）绘图工具;
🗣️ 情景例句
A critic was there this morning.
一个评论家早上去过了。
Overdone is worse than undone.
过犹不及。
A parliamentary committee representing all political parties appoints a person who is suitably qualified to investigate private grievances against the State.
议会内有一个代表各政党利益的委员会，由它委派一位称职的人选专门调查个人对国家的意见。