Diyne
[化] 二炔
🗣️ 情景例句
and just enjoy this beautiful spring day.
尽情享受这美好的春天。
I'd be glad to help.
我乐意帮忙。
To our dismay, we saw that there were snails everywhere:
让人沮丧的是，我们发现到处都是蜗牛：