Methylenedigallic acid
[化] 亚甲基二┢酸
🧩 词语组成解析
🗣️ 情景例句
and I'm giving some thought to a new book on a different subject.
如今我又开始在构想另一本不同题材的新书。
Have you bought any cake?
你买蛋糕吗？
There!
哎呀！