Ethacetic acid
[化] 丁酸; 正丁酸
🧩 词语组成解析
🗣️ 情景例句
When god closes a door, he opens a window.
山不转水转。
That's my business.
那是我的事情。
Many people prefer living in the country to living in the town.
许多人喜欢住在农村而不喜欢住在城市。