Microdensimeter
显微光度计
🗣️ 情景例句
Can you speak English?
你会讲英语吗？
Old wood is best to burn,old horse to ride.
老柴好烧，老马好骑。
You can enlarge your knowledge and learn some English at the same time.
你可以扩大你的知识面，同时又学习了英语。