Terragraph
地面立体测图仪
🗣️ 情景例句
I beg your pardon.
对不起。
I say little but I think the more.
我说得少，但我想得多。
The children were leaving school on Tuesday when they saw a truck.
星期二，孩子们正放学回家，这时，他们看见一辆卡车。