Underactor
n. 次要演员
🗣️ 情景例句
I think I'll wait until tomorrow.
我想我就等明天再谈。
The chances for a promotion look really good, but before I get too old I want to see the world.
提升的机会确实无可挑剔，但是在我变得太老之前，我想去看看世界。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。