??? 情景例句
I am a representative of Politics Association.
我是政治協會的代表。
I hope you understand.
我希望你了解。
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，我們只知道海洋是二維平面形的，以及靠近陸地淺水區的深淺不一能給航行帶來危險。