Backweld
背焊缝
🗣️ 情景例句
It doesn't need any alterations. We must've bought the right size.
不需作任何修改。我们一定是买对了尺寸。
He tried to sell me his lousy radio.
他想把他那台破收音机卖给我。
How old are you?
您多大岁数了？