yīng ér / xū yào / jīng cháng / gēng huàn / zhǐ niào kù / yǐ / bǎo chí / pí fū / gān shuǎng婴儿需要经常更换纸尿裤,以保持皮肤干爽。Babies need to have their diapers changed frequently to keep their skin dry.