prep. On the top of; upon; on. See On to, under On, prep.
prep. 在...之上
1. She climbed onto the roof to see the view.
她爬上屋顶去看风景。
2. Please put the books onto the shelf.
请把书放到书架上。
3. The cat jumped onto my lap while I was reading.
当我在读书时，猫跳到了我的腿上。