例句：

　　She later underwent 19 operations.

　　之后她接受了19次整容手術。

　　Last year, Ms. Mason underwent surgery.

　　梅森女士于去年動了手術。

　　The promising singer underwent mysterious misery.

　　那位有前途的歌手遭受了神秘的痛苦。

　　Design itself has undergone deep changes as well.

　　設計本身了已經經歷了深刻的變化。

　　I learnt that you had just undergone an operation.

　　我得知你剛經歷了一場手術。

　　Her smile had also undergone a transformation.

　　她的笑容也改變了。