Sapindaceae
[医] 无患子科
🗣️ 情景例句
You look very young. How old are you?
你看起来真年轻， 你多大了？
I visited her last Wednesday.
我上个星期三拜访她。
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。