Obtusatic acid
[化] 树花地衣酸
🧩 词语组成解析
🗣️ 情景例句
The advanced class is nonstop.
高级课程， 是没有休息的。
A fool may give a wise man counsel.
愚者千虑，必有一得。
Were you at butcher's, too?
您也在肉店里吗？