You know I only want on thing for you, and that is your happiness.
我對(duì)你只有一個(gè)希望,那就是你幸福。
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.
不僅能夠確定魚群的位置,而且可以根據(jù)魚群回聲的特點(diǎn)分辨出是鯡魚、鱈魚,這是人們所熟悉的其他魚。