Photelometer
[医] 光电比色计
🗣️ 情景例句
and how important it is for them to be paid attention to?
以及他们何等需要受人关怀吧？
Work has a bitter root but sweet fruit.
劳动根虽苦，然而果实甜。
you will realize that a modern navy is a good place to study noise.
你就会认识到现代海军是研究噪音的好地方。