Permeaselectivity
选择渗透性
🗣️ 情景例句
It's your birthday.
今天是你的生日。
Every heart has its own sorrow.
人人都有伤心处。
Don't thank me, said Miss Yang. We must both thank Lucy!
“不用谢我，”杨小姐说，“我俩都得谢谢露茜！”