cleavageKK [ˋklivədʒ] /ˈklivədʒ/名詞1乳溝The dress had a low neckline that showed some cleavage.那件洋裝領口很低,露出了一些乳溝。2分裂、裂痕、歧見正式There is a deep cleavage between the party's older and younger members.該黨的資深黨員與年輕黨員之間存在深刻的分裂。3解理地質Mica splits into thin sheets along its cleavage planes.雲母會沿著解理面剝成薄片。4卵裂、分裂生物The fertilized egg undergoes rapid cleavage in the first few hours.受精卵在最初幾小時內會快速卵裂。