Micropycnometer
微型比重瓶
🗣️ 情景例句
Nice to meet you, Dean Rafer.
很高兴见到你， Rafer主任。
I worked at the drugstore last night.
我昨晚在药房工作。
We would like a cup of tea, a bottle of orange, and four cakes, please.
请给我们来一杯茶，一瓶橙汁，和四块蛋糕。