before leaving

基本解释

Before leaving, I joined a boat trip around the islands.
在离开之前我参加了一次乘船环岛游。
Which means the robot, or some version of it, is more likely to show up in a GM plant before leaving the planet.
这意味着这些机器人或者它的一些变体，在离开地球进入太空之前，更可能出现在通用公司的工厂里。
Before leaving, the scientists decided to test the equipment they would use to detect airborne nitryl chloride on the cruise by sampling the air in Boulder, a mile above sea level.
离开之前，科学家们决定通过抽样检测海拔一英里的博尔德市的空气，对在旅程中将会用来检测空气中硝基氯含量的设备进行检验。

The Eagle has landed." NASA's plan had called for the astronauts to test instruments, eat and then rest for four hours before leaving the Eagle.
Before leaving the country, Bourke-White received permission to meet with Soviet leader Joseph Stalin.
Just before leaving, they placed a metal sign on the surface.

But Strasburg lasted just two innings before leaving the shortest outing of his career.
NPR: Nationals Overcome Strasburg Injury, Beat Braves