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
Aren't you happy with your present occupation?
你对目前的工作不满意吗？
Beautiful day, isn't it?
今天天气真好，是不是？
Fish love swimming round the rocks and through holes in them.
鱼喜欢绕着岩石和穿石洞游水。