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控制，使不升起，使留級，吞下藥物...

Keep down or you'll be hit by shell fragments.趴下,否則你會被彈片擊中的.They hoe the garden to keep down the weeds.他們把花園里的草鋤掉,阻止其生長.She is managing to keep down her spending.她在設(shè)法縮小開支....

keep down的音標(biāo)：keep down的英式發(fā)音音標(biāo)為：[ki:p daun]keep down的美式發(fā)音音標(biāo)為：[kip da?n]...