Diaminovaleric acid
[医] 2,5-二氨基戊酸, 鸟氨酸
🧩 词语组成解析
🗣️ 情景例句
Well, let's go down to the coffee shop.
哦 ，那我们下去咖啡厅吧。
How many pounds are you going to order?
你要订几磅？
That's the trouble, vicar,' answered Bill.
“问题就在这里，牧师，”比尔回答说。