Backweld
背焊缝
🗣️ 情景例句
Oh, you're welcome.
噢！请别客气。
Please speak slowly, so I can understand you.
请慢慢地说，那样我就能听得懂你说的话了。
We've got to do something about the neighbor's dog!
我们得对邻居的狗采取点行动了！