单词	Is this a metronome?
释义	Is this a metronome? \|这是节拍器吗？
随便看	hydrocarbon generation system hydrocarbon geochemical exploration Hydrocarbon geochemical field effect hydrocarbon geology hydrocarbon grease hydrocarbon group analysis hydrocarbon habitat hydrocarbon halogenides hydrocarbon heat exchanger hydrocarbon heterogeneous distribution hydrocarbon hydrate hydrocarbon hydroisomerisation hydrocarbon hydroisomerization hydrocarbonic hydrocarbon impurities hydrocarbon impurity hydrocarbon in airvapour mixture hydrocarbon in air vapour mixture hydrocarbon inclusion hydrocarbon inclusions hydrocarbon indicating tube hydrocarbon indication hydrocarbon indicator hydrocarbon indicator, HCI hydrocarbon indicators