Colourimeter
[化] 比色计
🗣️ 情景例句
at this point in our lives?
在这个时候怎么样？
The agricultural region is centered largely in the north.
那里的农业区大部分集中在北部。
I looked out of the window.It was dark outside.
我望望窗外，外面一片昏暗。