Topometer
地形测斜仪
🗣️ 情景例句
if I may have your attention for a moment, please?
我想占用你们一点点时间 好吗
He went to the post office to mail a letter.
他去了邮局寄信。
And this is Luming.He is Chinese.
这位是鲁明。他是中国人。