Sensitometry
感光学
🗣️ 情景例句
You need to complete some forms before the class.
上课之前你得填一些表格。
He warms too near that burns.
取暖太近火，会被火灼伤。
Yesterday the firemen examined the ground carefully, but were not able to find any broken glass.
昨天，消防队员仔细查看了地面，但未能发现碎玻璃。