Alkatriyne
[化] 链三炔
🗣️ 情景例句
You're working pretty hard these days.
你这阵子工作得很辛苦呀。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
If people don't stop polluting the seas and rivers, there will be no fish left.
如果人们不停止污染海洋和河流的行为，那么，就没有鱼会留下来了。