Predefine
vt. 预先确定
✅ 同义词
🗣️ 情景例句
The policemen could not cope with the crowds.
警察不能对付群众。
Talk about it tomorrow.
明天在说吧！
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。