1. He is a skilled aeromechanic, responsible for maintaining and repairing aircraft engines.

他是一位熟练的空气机械师，负责维护和修理飞机引擎。

2. The aeromechanic inspected the aircraft thoroughly before the flight to ensure its safety.

飞机机械师在飞行前彻底检查了飞机，以确保其安全。