* When ice changes into water; it does not expand. Instead, it becomes smaller in volume.

冰變成水時(shí)并不膨脹，相反，體積變小了。

3. 譯為漢語(yǔ)的并列分句

介詞短語(yǔ)作狀語(yǔ)表示轉(zhuǎn)折或因果關(guān)系時(shí)，有時(shí)可以根據(jù)上下文轉(zhuǎn)譯為并列分句。如:

* The low-pressure compressor has four stages of compression against the eight stages of the high pressure compressor.?

低壓壓縮機(jī)有4個(gè)壓縮階段，而高壓壓縮機(jī)有8個(gè)壓縮階段。

* In a generator mechanical power is put in and electrical power is taken out, instead of electrical power going in and mechanical power coming out as in a motor.

在發(fā)電機(jī)中是輸入機(jī)械能、輸出電能，而在電動(dòng)機(jī)中則是輸入電能、輸出機(jī)械能。

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