it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.

不仅能够确定鱼群的位置，而且可以根据鱼群回声的特点分辨出是鲱鱼、鳕鱼，这是人们所熟悉的其他鱼。

When anyone opens a current account at a bank,

任何人在银行开一个活期账户，

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。

and zoomorphic animal shapes ablaze with red and gold and blue,

还有用红色、金黄色、蓝色绘制的光彩夺目的兽形图案，

among historians of science a new and more sophisticated picture has emerged.

但在科学史家中间，一个新的更加复杂的伽利略的形象出现了。

The gentle method requires more patience in the early stages, but produces a cheerful,

温柔法要求在最初阶段保持较大的耐心，但这种方法可以训练出性情愉快、