Lactobacilleae
乳酸桿菌族
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
Why did't you tell me?
为什么你不告诉我？
Thank you .It was very nice of you to help me.
谢谢你帮我，你真好。