In a semiheavy water molecule, one hydrogen atom (H) is replaced with a heftier version called deuterium (D).

在半重水的水分子中，一个氢原子（H）被一个称之为氘（D）的氢原子的同位素所取代。

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Would-be buyers are finding it hard to raise finance, because banks are worried that prices will fall and are demanding heftier deposits.

潜在购房者发现很难筹集资金，因为担心房价会下跌，银行开始要求更多的存款。

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Earlier this month, astronomers announced a new measurement of the Milky Way's mass - saying it is 50% heftier than thought and about as heavy as our nearest large neighbour, Andromeda.

这个月的早些时候，天文学家公布了关于银河系的重量的一个新的测量数据，他们说银河系比原来人们以为的要重50%，差不多跟我们最大的紧邻仙女座星系一样重。

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The heftier equity base has also helped it acquire Chase Manhattan's credit-card business in Singapore.

CNN: The Asiaweek Financial 500

Last week, the unions accepted Kim's job cuts in exchange for heftier separation benefits.

CNN: HERE COME THE MAVERICKS

Its heftier design even won favor with the Mountfort boys, making it the overall critics' choice.

CNN: Pint-Sized Pixel Play