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Helium Group. How to pronounce the english word Helium Group.Start with S. Learn from me.

Helium Group

英语发声

美语发声

n. the series of inert gases

网络释义

短语

helium group gas[化学] 氦族气体

专业释义

英英释义

Helium Group

n.the series of inert gases

英汉双解大词典