Opacimetry
暗度测量
🗣️ 情景例句
Hi, Susan.
嗨， Susan。
What will you do about it?
你会拿这事怎么办？
From the shore line, out to a distance which may be anywhere from a few miles to a few hundred miles,
从海岸线向大海延伸几英里到几百英里的区域是大陆架慢坡，