Ethinylation
乙炔化
🗣️ 情景例句
The wedding dress. And something blue.
结婚礼服。蓝色的东西。
No, thank you. But it was very kind of you to offer.
不用了，谢谢。承蒙您好意提出。
When the brothers were reunited, Hans explained how it was that he was still alive.
兄弟俩团聚之时，汉斯说明了他活下来的经过，