Alkynes
[化] 炔烃
🗣️ 情景例句
I mean, there seems to be something to celebrate all the year round.
我的意思是，好像一年到头都要忙着庆祝似的。
What a shame! Or That's too bad.
真是遗憾。
but unfortunately not all of us are born handymen.
但不幸的是，我们并非人人都是能工巧匠。