英语语法分析

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。

Ballistics: Science of propulsion, flight, and impact of projectiles.

弹道学：研究射弹的动力、飞行和弹著作用的科学。

The ballistics report indicated that Khalil Musa was hardly a random victim.

弹道报告表明，穆萨并非随机的被害者，他身中九弹。