Tdr
[计] 时间域反射仪
🗣️ 情景例句
My address is 36 South 75th street, Apartment 10.
我的地址是南七十五街三十六号10号房。
Let me see your pass.
让我看你的通行证。
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。