Elaterometer
[化] 气体密度计\\n[医] 气体密度计
🗣️ 情景例句
Lots of interesting information about our family.
很多我们家有趣的东西呢
Britain is behind Japan in developing modern technology.
在发展现代技术方面，英国落后于日本。
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。