Monophylesis
单元发生[论]
🗣️ 情景例句
That's right. Grandpa hangs it there for good luck.
是的。爷爷把它放在那儿 以求好运。
Don't repeat everything I say!
不要学我说话！
He is crazy about Crazy English.
他对疯狂英语很着迷。