n.<化>氢;氢气
hydrogens英文例句/中文翻译：
1、
2、
He is only 9 years old, but he knows that hydrogen and oxygen combine to form water.
他只有9岁，却知道氢与氧化合成水。
《外研社英语同义词辨析词典》
3、
Catagensis is marked by a loss of hydrogen, and consequently by a decrease of the h/ c ratio.
后生阶段以氢减少必然导致h／d比率降低为特征。
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