Hexynedioic acid
[化] 己炔二酸
🧩 词语组成解析
🗣️ 情景例句
It's a pleasure to meet you too, Mrs. Green. I've heard so much about you.
格林太太，我也很高兴见到您。早就听说过您。
I'm under a lot of pressure.
我压力很大。
Had he worked harder, he would have gotten though the exams.
如果他努力了的话，他就会通过考试的。