Polyyne
聚炔烃
🗣️ 情景例句
The whole house needs re-painting.
整个房间需要重新粉刷。
Eat one's cake and have it.
又要马儿好，又要马儿不吃草。
The wagging dance meant that food was far away.
摇摆舞表示食物在远处。