Derocker
清石机; 除石机
🗣️ 情景例句
She's coming over this morning to help me with my math.
她今天早晨要过来帮我补习数学。
Would he have seen you if you hadn't waved to him?
如果你没向他招手他会看见你吗？
The distinction of our product is its light weight.
我们产品的特点就是它很轻。