Polyyne
聚炔烃
🗣️ 情景例句
That's very nice of you.
你真是太好了。
An old fox is not easily snared.
老狐狸难得陷罗网。
They trooped behind the first dancer, copying its movements.
它们成群结队跟在第一只跳舞的蜜蜂后面，模仿着它的动作。