Backbreakers
n. 艰苦的工作；工作勤奋的人
🗣️ 情景例句
Oh, Miss Li. This is Tom. I didn't recognize your voice.
噢，李小姐。我是汤姆。我没听出你的声音。
This river is one third as long as that river.
这条河只有那条河的三分之一长。
Certainly! I'm coming now, Mum!
当然可以，妈妈，我马上就来。