mattresses FREQ #20425 n. 褥垫, 床垫( mattress的复数形式 ) 释义与例句 n. 1. plural of mattress 相关短语 go to the mattresses crib mattresses air mattresses wire mattresses spring mattresses walking mattresses goes to the mattresses went to the mattresses gone to the mattresses going to the mattresses air mattress 充气床垫 crib mattress wire mattress spring mattress n. 弹簧床垫 walking mattress