Comenamic acid
[化] 考闷安酸; 4,5-二羟吡啶-2-羧酸
🧩 词语组成解析
🗣️ 情景例句
and a book of photos about the United States still feels right.
而一本关于美国的摄影集仍然很有前景。
No. I was planning to stay home.
不，我打算呆在家里。
I've lost my ruler. Have you seen it anywhere?
我的尺子丢了。你在哪看见了吗？