Heptynoic acid
[化] 庚炔酸
🧩 词语组成解析
🗣️ 情景例句
We can learn a lot by asking.
我们到处问问会学到不少东西。
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。
his very concepts of the true and the false will still have reference to his particular traditional customs.
人们关于真与伪的概念依然和特定的传统风俗有关。