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
When addressing a judge, always use 'your honor'.
在对法官说话时， 一定要尊称他为 'your honor'
Prompt delivery would be necessary as we have a fast turnover in this trade. We would therefore need your assurance that you could meet all delivery dates.
即期交货很重要，因为这种货流转很快。所以我们需要你方保证及时交货。
I've looked round the whole school. I can't find it anywhere.
“我整个学校都找过了。我就是找不到它。”