conversion 将某种用途的物业改变为另一种用途。
在二氧化碳和其他温室气体引起的热效应之外，土地用途的转变和漫布天空的煤灰与烟雾也对气候变化产生影响。
Beyond the heating effects of carbon dioxide and the other greenhouse gases, there are the effects of converting land from one use to another and filling parts of the sky with soot and smog.
尽管数十年来白银的用途发生巨大转变，但仍有大约一半被用于工业用途(其余则被制成首饰和银器)。
Roughly half the world's silver goes to industrial users (the balance is accounted for by jewellery and other silverware) although their identity has undergone a huge shift over the past decade.
使改变，将（某物）从一种用途、功能或目的转变成另一种；
To change (something) from one use, function, or purpose to another;
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