n. 氦氧混合气(

98%氦和2%氧,供潜

员



中维持呼吸用)
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bugging,
buggy,
bugholes,
bughouse,
bughunter,
bugite,
bugle,
buglelet,
bugler,
Bugles,
相似单词
heliotropism,
Heliotropium,
heliotype,
heliotypography,
heliotypy,
heliox,
heliozincograph,
heliozincography,
Heliozoa,
heliozoan,