用边界线分开或分隔：指使用边界线或标记将物体或区域分开或分隔开来。
在列表上标记为已处理：指在列表或清单中标记某项为已完成或已处理。
mark off // [ marking marked marks ]
动词词组 If you mark off a piece or length of something, you make it separate, for example by putting a line on it or around it. 画线分隔出
He used a rope to mark off the circle.
他用一根绳子把这个圈围了起来。
Russian mathematician (1856-1922)
同义词： Markov / Andrei Markov / Markoff / Andre Markoff
set boundaries to and delimit
同义词： mark out
... mark down 减分，降价 mark off划分出 mark up做标记 ...
... mark up 把...标出, 标高价格 mark off 划出 mark out for 使注定要 ...
... carry out施行，实行 mark off区分出 get back往后退，回来 ...
... mark down 减分，降价 mark off 分别出 mark up 做标识表记标帜 ...
He used a rope to mark off the circle.
他用一根绳子把这个圈围了起来。
All clocks must have a regular, constant or repetitive process or action to mark off equal increments of time.
所有时钟都必须有一个均匀、恒定或重复的划分时间等量增加的过程或动作。
Then, use a simple system of symbols to mark off 4 different information types in the column space left in the margin.
然后，在你的第一列空栏中使用不同4符号为4不同的信息类型做标记。
"We'd just go out and mark trees with a dot and everybody would agree where you'd tee off from and you'd have fun."
VOA : standard.2010.08.03
That's going to lead us very nicely into an understanding of the laws that mark off Israel's status and keep Israel distinct among the nations, which we'll be looking at on Wednesday.
这将很好的帮助我们理解,将以色列与其他国家区分开的那些法律，周四我们将讲到这个内容。
旧约导论课程节选 : 耶鲁公开课
But Israel is the one to affirm its holiness by observing the rules that make it different, that mark it off as holy.
然而以色列通过观察那些使之与众不同的,使之神圣的规则，肯定了它的神圣性。
旧约导论课程节选 : 耶鲁公开课
First they use 30-foot yellow ropes to mark off two 30-foot rows of corn.
Only Yuvraj Singh has hit a faster half-century in Twenty20 internationals, reaching the mark off 12 balls against England in Durban in 2007.
Once it's cooked up a diet for you, it lays it out on a day-by-day basis, letting you mark off each meal that you've successfully eaten and giving you a score out of 100.
ENGADGET: Nutrino is a virtual nutritionist for iOS, we go hands-on