Ethynyl
n. [化]乙炔基
🗣️ 情景例句
It was a gradual process, involving many factors.
这是个渐进的过程，涉及到方方面面。
They say there's a traffic accident in front of us.
据说在我们前方发生了车祸。
like the cooling of a hot kettle or the wearing-out of a pair of shoes.
就像一壶热水迟早会凉下来，一双鞋渐渐会磨破一样。