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。

As the heads of next-generation start-ups, these Asian innovators can draw on customs and languages to forge righter links with crucial Pacific Rim markets.

作为新掘起一代的带头人，亚裔发明家可以凭借他们在习惯和语言上的优势，与关键的太平洋沿岸市场建立起更加牢固的联系。

On turning eagerly to the text, one learns that the lady was a typist who found the sound of office typewriters worried her more and more until eventually she had to go into a mental hospital.

当人们急切地看完正文后，便知道这位女子是个打字员，办公室打字机的声音使她越来越烦恼，最终住进了精神病医院。

A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,

海洋中很多地方可深达两三英里，

Convinced of the importance of education,

深深懂得教育的重要性，

Ice is only as safe as the water from which it is made,

冰块只有当制造冰块的水安全时才是保险的，