Chromometer
比色计
🗣️ 情景例句
I'm very sorry.
非常抱歉。
The whole book is produced and edited in the pursuit of excellence.
这本书在出版和编辑全过程都力求完美。
No, more, about 130 years ago. Most of the slave owners were rich farmers who lived in the south. They wanted to keep their slaves.
不，还要早，大约130年前。大多数奴隶主都是住在南方的富有的农场主。他们想保留自己的奴隶。