Pr.
[医] 老视, 棱晶, 棱镜, 镨(59号元素)
🗣️ 情景例句
Thank you. Yes, actually Mary and I have been planning this for some time.
谢谢。其实玛丽和我已计划了很久。
How's your son?
你的表兄好吗？
Oh, it doesn't matter!
噢，没关系！