馨香书屋：背1遍就想上考场四级单词（五十四）

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hydrogen
Some people consider the hydrogen bomb a very fatal weapon which could kill somebody.
nitrogen
These superconductors work only when kept at the temperature of liquid nitrogen, about minus-170 degrees Celsius.
generate
The pollutants generated in most households seldom built up to dangerous levels.
generation
The education of her daughters then makes it much more likely that the next generation of girls, as well as of boys, will be educated and healthy.
generous
Haven't you noticed that the kindest, most generous people seem to keep getting prettier?
genuine
Those who imitate a genuine hero experience life with new depth, enthusiasm, and meaning.
salesman
John is the best salesman in our apartment. Call him in, Secretary Cooper.
As you wish, sir.

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