Photodensitometer
光稠计, 光密度计
🗣️ 情景例句
Is not prepared for interview.
对面试无准备。
He has been working in advertising for ten years, but now he is teaching.
他曾经在广告公司服务十年，但现在在当老师。
I'm sure we can get you a great deal.
我很肯定我们可以帮你做成一笔好交易。