Sensitometry
感光学
🗣️ 情景例句
Well, please sit down
嗯， 请坐下来
Genius is one percent inspiration and 99 percent perspiration.
天才一分来自灵感，九十九分来自勤奋。
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，