Dicarboxylic
[化]二羧基的
🗣️ 情景例句
Yes, he makes house calls, but the doctor has an opening only after 2:00 p.m.
好，他愿出诊，但他在下午2点后才有空。
Keep your breath to cool your porridge.
少管闲事。
'What has happened?' she asked.
“发生了什么事？”她问，