劍橋詞典a rare type of skin cancer that is usually found on the palm of the hand , on the sole of the foot , or under the fingernails or toenails 肢端黑色素瘤（一種罕見皮膚癌，主要發(fā)生在手掌、足底、指趾尖等部位） 返回 acral lentiginous melanoma