Phycinic acid
[化] 原球藻酸
🧩 词语组成解析
🗣️ 情景例句
Off-season clothes are usually sold at very attractive prices.
换季衣服的售价通常挺吸引人。
Open your books and turn to page 20.
打开书，翻到第20页。
The book you ask for is sold out.
你要的那本书已经售完了。