英语词汇“H-H2 O system”的读音、翻译、释义、用法及例句-智慧网

词汇	H-H2 O system
释义	H-H2 O systemH-H2 O system1.■氢-水体系
随便看	be under the hammer be under the illusion be under the impression that be under the knife be under the necessity of doing sth. be under the weather be under ward be unequivocally established be unfavourably disposed to be unfavourably disposed towards be unfit for be unlikely but not impossible be up be up against be up and abunt be up and around be up and doing be up a stump be up before be up for grabs be up on be upon the books be upsides with be up the flume be up to

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