Pentine
[化] 戊炔
🗣️ 情景例句
Will your family be attending the graduation ceremony?
你的家人要来参加你的毕业典礼吗？
Repentance is good, but innocence is better.
悔罪虽好，无罪更佳。
They were puzzled by several things.
有几件事情使他们感到迷惑不解。