Flame tracer
曳光弹
🧩 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
She's a terrific person.
她人很好。
The coat doesn't suit you.
这件外衣不太适合你。
We are prohibited from smoking on school grounds.
我们被禁止在校园内抽烟。