词典释义：
双语例句
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The number of the lesions varies from a few to several thousand, affecting oral mucous membranes (in 70% of cases), genitalia (30%), and conjunctivae (eyelid) (20%), as well as the cornea (eyeball).
病变的数量从少数几个到几千个不等，影响到口腔粘膜（70%的病例）、生殖器（30%）以及结膜（眼皮）（20%），还有角膜（眼球）。