Tetrapolarity
四极性
🗣️ 情景例句
But how do you plan to do that?
但你预备怎么做呢？
I suppose he was sick.
我猜他大概是病了。
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，