GbEng
分隔物，分界线分界物或分割物，用作分配或分类 Something, such as a boundary or partition, that serves to divide or keep separate.
那条小路就是我们这片地的界线. The lane is the boundary of our land.
礁石外深色水域分界线 A line of darker water beyond the reef.
就像那个说他除了昆虫和民间舞蹈啥都想试试的人一样，我们大多数人心里都有个人界线，知道该在哪儿收手。 Most of us would draw the line somewhere, like the man who said he'd try anything once except insect and folk dancing.
边界线确立或标志边界的线 A line that establishes or marks a border.
那球被正站在边界线内的守场员接住了. The ball was caught by a fielder standing just inside the boundary.