例句：
She later underwent 19 operations.
之后她接受了19次整容手术。
Last year, Ms. Mason underwent surgery.
梅森女士于去年动了手术。
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.
设计本身了已经经历了深刻的变化。
I learnt that you had just undergone an operation.
我得知你刚经历了一场手术。
Her smile had also undergone a transformation.
她的笑容也改变了。