They are not anxious social climbers, and they have no devotion to material things.

他们不热衷于向上爬，也不一味追求物质享受。

Once we get down to the oil, it usually flows to the surface because great pressure,

一旦到达油层，石油就会由于地下巨大的压力流到地面上来，

One young calf especially enjoyed raising a turtle to the surface with his snout and then shoving him across the tank like an aquaplane.

一只小海豚特别喜欢用鼻子把海龟推到水面，然后像滑水板一样把海龟从水池的这一边推到那一边。

For nearly three and a half centuries she lay at the bottom of Stockholm harbour until her discovery in 1956.

这艘大船在斯德哥尔摩港口的海底躺了将近3个半世纪之后，直到1956年才被发现。

We can perhaps forgive those who said the moons of Jupiter were produced by Galileo's spyglass if we recall that in his day, as for centuries before, curved glass was the popular contrivance for producing not truth but illusion, untruth;

如果我们回想一下伽利略之前几个世纪期间，曲面镜一直是一种用于产生幻影而不是产生真象的把戏装置，那么我们就会原谅那些当时把伽利略观察到的木星卫生说成是伽利略用他的小望远镜变出来的人们，

The basic features include a crest (the highest point of the wave),

它们的基本特征包括浪峰（波浪的最高点）