Sigmatropic
n. [化]σ移位的,单键转移的
🗣️ 情景例句
Can I get you some coffee or tea or a cold drink, Rita Mae?
要咖啡、 茶或者冷饮吗 ，Rita Mae？
Take it easy.
想开点吧！
I don't want to argue about it any more.
我不想为这件事再和你争吵。