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
Good morning, Mr. Tao.
早上好，陶先生。
His opening remarks were serious.
他的开场白说得很严肃。
I don't think it will lead to a good result.
我认为这事不会有什么好结果。