Concretor
混凝土工
🗣️ 情景例句
Well, he's asleep--finally.
好了， 他终于睡着了。
It's about time.
时间差不多了。
and we know something of the great variety of the sea bed's topography.
而且我们对海底地形的千变万化也有了一定的了解。