Tdr
[计] 时间域反射仪
🗣️ 情景例句
I see your point you mean.
我懂你的意思。
We must listen carefully to the teacher.
我们必须注意听老师说的话。
Only a few kilometres. I think it's about seven. OK. We're all here, now.
谩Ｎ颐嵌嫉狡肓恕?