Butylidene propionic acid
[建] 丁叉丙酸
🧩 词语组成解析
[化] 1,1-亚丁基
[医]丙酸的
🗣️ 情景例句
Sorry. I have a meeting right now.
抱歉，我马上有个会议要开。
Sorry kept you waiting so long. You are on .
抱歉让你久等了，接通了。
Beyond all questions you are right.
毫无疑问，你是对的。