U-tube
[化] U型换热管
🧩 词语组成解析
🗣️ 情景例句
Do I have to remind you yet again?
还需要我再次提醒你吗？
When were you born?
你什么时候出生的？
No, I didn't do that either. I just washed it in cold water.
不，我也没有那样做。我就是用冷水洗的。