Picknometer,pycnometer
[化] 比重瓶; 比重管
🗣️ 情景例句
What's your new job like?
你的新工作是什么性质？
When a friend asks, there is no tomorrow.
朋友的要求不要拖。
It is then left completely undisturbed with plenty of food and water so that it can absorb the atmosphere of its new home
然后给它以充足的食物和水，一定不要惊扰它，以便让它能适应新居的气氛，