例句
He is a purblind man who can't see things clearly.
他是个视力模糊的人，看不清东西。
The purblind old woman had trouble recognizing people.
那个视力不好的老妇人认人有困难。
He is a purblind man who can't see things clearly.
他是个视力模糊的人，看不清东西。
The purblind old woman had trouble recognizing people.
那个视力不好的老妇人认人有困难。