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
And that way,
而且那样的话,
I must have dialed a wrong number.
我一定拨错号了。
or even, of there nough, in other departments of the same firm.