15.
ballistics
弹道学
[双语解释]
The science of firearms and the study of the motion of bullets.
研究火器及子弹运动的科学。
例句：
A ballistics expert was taking evidence at the scene of the crime.
一位弹道学家正在犯罪现场提取证据。
15.
ballistics
弹道学
[双语解释]
The science of firearms and the study of the motion of bullets.
研究火器及子弹运动的科学。
例句：
A ballistics expert was taking evidence at the scene of the crime.
一位弹道学家正在犯罪现场提取证据。
