色度爬行的英文：
chroma line crawl
n. 浓度,色度
Chroma: A quality of colour. It refers to the purity, saturation, vividness, intensity or strength of a colour.
彩度:彩度是颜色的一个特质。它描述颜色的纯度、饱和度、鲜明度、量度和强度。
n. 线条，界线，路线；条纹；排；铁路线；生产线；台词；态度；防线；前线
v. 用线标出，划线于；使布满纹络；加衬里于；排队，排列成行
This is a lined trunk.
这是一个有衬里的箱子。
They are politically in line.
他们在政治上意见一致。
On a map there are horizontal lines and vertical lines.
在地图上有水平的线和垂直的线。
v. 爬行，匍匐行进；拍马屁；缓慢行进，艰难前进
n. 爬行，匍匐行进；缓慢行进；自由式游泳
The crawl is considered the speediest.
爬泳最快。
He openly crawled to the boss.
他公开地对老板拍马屁。
The accident scene was crawling with police officers.My flesh crawled in horror.
出事现场到处都是警察。我毛骨悚然