Dicarboxylic acid
[医] 二羧酸
🧩 词语组成解析
[化]二羧基的
🗣️ 情景例句
Take care on your way back.
回程保重了。
No. It's not far at all.
不用。很近的。
To her horror he said that she was two hours too soon.
搬运工说她早到了两个小时，她听后大吃一惊。