短語(yǔ)詞組短語(yǔ)bed d rest 牀靠背active bed -rest 主動(dòng)臥牀休息bed -rest t 牀靠背head -down bed-rest 頭低位臥牀bed rest time 臥牀時(shí)間get bed rest 臥牀休息bed but not rest 牀鋪 返回 bed rest