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
I don't think we should see each other any more.
我觉得以后咱们还是别再见面了。
Ouch, that hurts!
哎呦，好痛呀！
The fish are not sharks or killer whales,
这些鱼并不是鲨鱼或逆戟鲸，