Pentahydroxy-acid
[化] 五羟基酸
🧩 词语组成解析
🗣️ 情景例句
Yes. About four years ago.
是的 ，大约四年前走的。
What in the world are you eating?
你到底在吃什么？
The man lay on the road. Luckly, he was not badly hurt. But he could not move.
他躺在路上。幸好他伤得不重。但他不能动。