Hexynedioic acid
[化] 己炔二酸
🧩 词语组成解析
🗣️ 情景例句
I speak the Shanghai dialect and the Mandarin.
我会讲上海话，普通话。
I invited him to come in, but he wouldn't.
我请他进来，但是他不肯。
Though Mr.Thompson had turned the lights off before he went to bed, they were on in the morning.
虽然汤普森临睡觉时把灯关了，但早晨灯却都亮着。