Shaf
[医]柄体，干
🗣️ 情景例句
I enjoyed myself very much.
我玩得很开心尽兴。
Let's begin now.
现在让我们开始。
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.
100年前，我们只知道海洋是二维平面形的，以及靠近陆地浅水区的深浅不一能给航行带来危险。