I will be thy friend,but not thy vices' friend.
我愿意做你的朋友,但不做你那些惡習(xí)的朋友。
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(qū)的深淺不一能給航行帶來危險。