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
Oh. I'm sorry.
噢,对不起。
Could you lend me ten dollars?I left my wallet at home.
你能借给我10美元?我把钱包留在家了。
We keep trying all four methods, but he sheer volume of rubbish we produce worldwide threatens to overwhelm us.