Topocart
地形立体测图仪
🗣️ 情景例句
All right. We'll make close study about it and give you reply as soon as possible.
很好。对这个问题我们将仔细研究一下，尽快给你们答复。
Does this radio belong to you?
这台收音机是你的吗？
How long has he been like this?
他像这样有多久了？