Pentynoic acid
[化] 戊炔酸
🧩 词语组成解析
🗣️ 情景例句
Who do you think you are kidding.
你想要蒙谁呢？
I'm going to give him a silver one.
我正要给他一个银的。
After I had sat down, he said that business was very bad.
待我坐下后，他说生意非常不景气。