Xeronic acid
[化] 干酮酸; 二乙基丁烯二酸
🧩 词语组成解析
🗣️ 情景例句
Yes, what can I do for you?
是的，我能为您效劳吗？
Would you please hold the door open for me?
请您为我打开门？
he could no get his arm out.
他的胳膊反倒退不出来了。