Heterodimer
异质二聚体
🗣️ 情景例句
If you want my advice, I would...
依我看，……
A new bicycle is out of the question - we can't afford it.
买新自行车的事谈不上 —— 我们买不起。
Our dog, Rex, used to sit outside our front gate and dark.
我家的狗雷克斯，过去常坐在大门外面叫。