Methanedicarbonic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
Why don't you look at some houses, Marilyn?
何不去看一看房子呢， Marilyn？
How many passengers were on the train?
在火车上有多少旅客？
Refuse politely any cold drink from an unknown source.
应谢绝任何不明来源的冷饮。