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- boundary Iubrication 边界润滑
- The lane is the boundary of our land. 那条小路就是我们这片地的界线。
- The ball ran (ie rolled) to the boundary. 球向著边线滚去。
- The boundary is not clearly defined. 这疆界没有明确划定。
- The fence marks the boundary between my land and hers. 这道栅栏是我的地和她的地的分界线。
- The shape, outline, or boundary of a coast. 海岸线海岸的形状、轮廓或边界
- The boundary line of a figure, area, or object. 周围一个图形、区域或物体的边界线
- A mark indicating the boundary of such an interval. 刻度线，分度线指示这种间隔的界限的标记
- The ball is caught by a fielder stand just inside the boundary. 那球被正站在边界线内的守场员接住了。
- The two neighbors disagreed bitterly about their boundary line. 这两个邻居在住房界线问题上剧烈争吵。
- The river is the boundary between the two countries. 这条河是两国的分界线。
- The ball was caught by a fielder standing just inside the boundary. 那球被正站在边界线内的守场员接住了。
- A survey of the property shows that the northern boundary is not correct. 对这块地产的测量表明，它北面的边界线是不正确的。
- To confine or restrict within a boundary or bounds. 限制限制或限定在一边界或范围之内
- These two countries have a common boundary. 这两个国家有共同的边界。
- The duke perambulated the boundary of his estate. 公爵巡视他的庄园地界。
- The boundary ranges east and west. 这条边界线由东延伸到西。
- Everyone feared that the boundary dispute between these two countries would culminate in a war. 人人都担心，这两国间的边境争端将以一场战争告终。
- A quantity that has a limit or boundary. 一种有极限或界限的量值。
- Time exposures produce a fuzzy boundary. 曝光时间长会使轮廓不清。
