Alkenoic acid
[化] 链烯酸
🧩 词语组成解析
🗣️ 情景例句
I don't think I have a mathemationcal brain.
我想我没有数学头脑。
He tried to sell me his lousy radio.
他想把他那台破收音机卖给我。
There was a note of triumph in my voice when I told him that it was there in black and white.
我带着一种胜利者的调子告诉他那趟车白纸黑字。明明白白印在时刻表上。