Pycnometer
n. 比重计\\n[化] 比重瓶
🏥 医学释义
①比重瓶，比重计 ②比色计
🗣️ 情景例句
The shopping: the salad:
购买项目 沙拉
Never think yourself above your business.
切莫自视过高。
Imagine their surprise and delight when they broke open the packing cases and found that the fourth engine was sweet as honey -- still in perfect condition.
想一想他们所感受到的惊奇和兴奋 —— 当他们拆开包装箱时，他们发现第4台发动机就像蜂蜜一样甜 —— 发动机完好无损。