Ballistics
n. 弹道学, 发射学\\n[化] 弹道学
📖 牛津释义
ballistics
n[sing v]
study of things that are shot or fired through the air, eg bullets, missiles, etc 弹道学（对射击或发射之物如子弹、导弹等的研究）
[attrib 作定语]
a ballistics expert 弹道学专家.
🗣️ 情景例句
What time is it?
什么时间啦？
When I traveled to a foreign country, I was very aware that I was a Chinese.
当我出国旅行时，我非常明白自己是一名中国人！
What must I do, MRS.Jones?
我应该做些什么呢，琼斯夫人？