Spectrodensitometer
光密度计
🗣️ 情景例句
There's a park over there. Let's walk in the park for a while.
那边有个公园。我们去散散步吧！
Our project must proceed at a reasonably quick tempo. Surely one month is ample time, isn't it?
这个计划必须尽速进行。一个月的时间应该够了吧？
The daily exercises lasted only eleven minutes and I proposed to do them early in the morning before anyone had got up.
早锻炼一共只有11分钟，我打算在别人起床之前进行。