Perkins'reaction
[机] 珀金斯反应
🗣️ 情景例句
I thought you wanted to go to Columbia.
我还以为你只想上Columbia大学。
What's this?
这是什么？
My parents used to live in South America and I used to fly there from Europe in the holidays.
我的父母曾经住在南美洲，所以假期里我常从欧洲乘飞机到他们那里。