Allylglycine
[医] 丙烯基甘氨酸
🗣️ 情景例句
We're off to the animal shelter.
我们这就去动物收容所。
Tell me where I can post them.
请问，哪里有投信的邮筒？
For one thing they keep the water clean.
一来，水下植物可以保持水的清洁。