Poikiloderma
皮肤异色病
🗣️ 情景例句
We are four in all.
我们家共有四口人。
If you always say NO,never be married.
常常说“不”字，永远难结婚。
One man was told to fix up an air-line to provide compressed air for the machines they were using.
有个工人被派去安装"供气管"，给他们正在使用的机器提供压缩空气。