Spectrodensitometer
光密度计
🗣️ 情景例句
Good people are the most valuable commodity a company can possess.
人才是一家公司可以拥有的最宝贵的财富。
She is wearing an apron.
她穿着围裙。
It was the last day of the year and a large crowd of people had gathered under the Town Hall clock.
那是一年的最后一天，一大群人聚集在市政厅的大钟下面。