Methanedicarboxylic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
Don't you feel well?
你感觉不好吗？
Skiing is such a difficult sport that it's more work than play.
滑雪是非常困难的运动，真所谓工作高于游戏呀。
One Saturday morning, Frank visited an antique shop in my neighbourhood.
一个星期六的上午，弗兰克去了我家附近的一家古玩店。