Dimerism
二聚性
🗣️ 情景例句
... Oh, oh, I see.... Oh ... certainly.
……嗯 嗯 我知道了。……嗯……一定。
Politeness costs nothing and gains everything.
礼貌不费分文而可赢得一切。
What's the point of going to college?
上大学有何用？