n. 

宇宙航行学
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hailing,
hailstone,
hailstorm,
haily,
Hainan,
Hainaut,
Haiphong,
hair,
hair brush,
hair cell,
相似单词
biocontrol,
bio-control,
bio-controlling,
bioconversion,
bioconvertion,
biocosmonautics,
biocrat,
biocritical,
biocrystallography,
bioctyl,