Pentaglycine
五甘氨酸
🗣️ 情景例句
I never bother servicing my own car, it's too much trouble.
我从来都不自己修车的，麻烦死了。
Nowadays when you interview with an American company.
今天当你去一家美国公司面试时。
What colour is it?
什么颜色的？