Diaminovaleric acid
[医] 2,5-二氨基戊酸, 鸟氨酸
🧩 词语组成解析
🗣️ 情景例句
It's Grandma's recipe.
这是奶奶的配方。
He didn't visit this country on the tour.
他在旅行中不拟访问这个国家。
It is no use inviting the politician or the professional or business man,
同样也是无益的，对于政界人士、专业技术人员、商人来说，