airborne aerobic gram-negative bacteria是什么意思，airborne aerobic gram-negative bacteria的翻译，airborne aerobic gram-negative bacteria音标、读音、用法和例句_開心英語字典

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airborne aerobic gram-negative bacteria是什么意思，airborne aerobic gram-negative bacteria的翻译，airborne aerobic gram-negative bacteria音标、读音、用法和例句_開心英語字典_柠咚词