Pentynoic acid
[化] 戊炔酸
🧩 词语组成解析
🗣️ 情景例句
He said he'll call you.
他说了他要给你打电话。
What college are you attending?
你在哪里上学？
You are left-handed, but in this photograph you will see that the young girl is painting with her right hand.
你是左撇子，而在这张照片里，你会发现这个小姑娘正在用右手绘画。