Picknometer,pycnometer
[化] 比重瓶; 比重管
🗣️ 情景例句
What's your major?
你主修什么专业？
If you have further questions, please contact the people listed on the last page of the report.
如果你还有问题的话，请和报告最后一页名单上的人员联系。
Have a cup of coffee then.
那么喝杯咖啡吧。