Chromosensitometer
彩色感光仪
🗣️ 情景例句
Ask Paul Smith to fill in for me.
叫Paul Smith代替我出席。
I didn't realize the time had passed so quickly.
我没有认识到时间这样快速过去了。
Please come in and sit down. But come to school earlier next time.
但下次要早点到校。