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。
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。
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。
Many of the black holes are a hundred thousand to a million times heftier than our sun.
许多黑洞比我们的太阳重约十万到一百万倍。
Many of the black holes are a hundred thousand to a million times heftier than our sun.
许多黑洞比我们的太阳重约十万到一百万倍。
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