Pyruvic
丙酮酸的
🗣️ 情景例句
Mary is not available at the moment.
Mary现在没空接电话
There's as good fish in the sea as ever came out of it.
海里的好鱼是取之不尽的。
What's Ron Marston like,Pauline?
波淋，朗。马顿是怎样一个人？