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
This food is heavenly, isn't it?
这一顿太美好了， 是吗？
My watch says two o'clock.
我的表是两点钟。
Your Chinese is really surprising.
你的中文令人惊讶。