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 read my horoscope every morning, but I don't really believe in it.
我每天早上都看我的运程，但是我不相信它。
Today is the first day of spring.
今天是春天的第一天。
Is this your bike?
这是你的自行车吗？