Levelman
n. 水平仪器操作员, 水平测量员
🗣️ 情景例句
Of course. It's on the fifth floor of Building No.4. Let's go there.
当然可以。展室在四号楼五层，我们上去吧。
We can't recall how long it's been.
我们记不起来经历了多久了。
Since the sea covers the greater part of the earth's surface,
既然海洋覆盖着地球的大部分表面，