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
You'll do great. break a leg!
你会干得很棒的，祝你好运！
To work hard in the office
在公司努力工作
unlike, say, a buyer of goods, cannot complain that the law is loaded against him.
但是储户不能像货物的买主那样来抱怨法律对自己不利。