Peptimycin
肽霉素
🗣️ 情景例句
Speaking of being a mother,
谈到当母亲，
What is happening out there?
外面发生什么事情？
When you have finished the letter, you make any changes you wish, check it and print it.
当你打完信件，你可以随意修改、检查，然后打印。