Photelometer
[医] 光电比色计
🗣️ 情景例句
What's the problem?
什么问题？
This is a rather old house. It needs painting.
这房子挺旧的，得刷一下才行。
In the light of this statement, teachers live by selling knowledge,
根据这种说法，教师靠卖知识为生，哲学家靠卖智慧为生，