Cevadic acid
[化] 惕各酸; 瑟瓦酸; (Z)-2-甲基丁烯酸
🧩 词语组成解析
🗣️ 情景例句
There's a park over there. Let's walk in the park for a while.
那边有个公园。我们去散散步吧！
One cloud is enough to eclipse all the sun.
一叶可障目。
The book is protected by copyright.
该书受版权保护。