Quadrine
[化] α-氨基丁酸; α-氨基正丁酸
🗣️ 情景例句
There was too much work for our computer to cope with.
我们的计算机要做的工作太多，简直应接不暇。
This is the book that I promised to lend you.
这就是我答应借给你的那本书。
Good. go ahead and do that.
好啊，就这么办。