Sensitometry
感光学
🗣️ 情景例句
I'll give him your message as soon as he's available.
他一有空我就转告他您的留言。
My brother was discharged from hospital last week.
我兄弟是上周出院的。
Here's another photo of Lily. Look! She's swimming very well.
这儿有莉莉的另一张照片。看！她正在游泳，游得非常好。