Underactor
n. 次要演员
🗣️ 情景例句
Yeah. My new advanced exercise class.
对， 新的高级健身班。
If I buy that car, I'll have to borrow some money.
如果我要买那辆车的话，我必须借一些钱。
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。