動(dòng)詞swim的過(guò)去分詞
She's teaching the children to swim. 她正在教孩子們游泳。
Anyone swimming in this lake does so at his own risk. 任何人在此湖中冒險(xiǎn)游泳，其后果自負(fù)。
She is no less good at swimming than Mary. 她和瑪麗一樣擅長(zhǎng)游泳。
