吮吸 Traditional form: 吮吸 Pinyin (reading): shǔnxī Definitions: to suck Characters: 吮 - to suck, to sip, to lick 吸 - to inhale, to suck in; to absorb; to attract Traditional characters: 吮 - to suck, to sip, to lick 吸 - to inhale, to suck in; to absorb; to attract