| 释义 |
level line短语¹¹⁴⁴⁶⁷⁺⁴
基本例句
水准路线,平道,等高线
The indifference curve may be compared with a contour line on a map.无差别曲线可以与地图上的等高线相比拟。
Assuming a horizontal block of ups and downs on the ground, the water's surface and materials County line is a continuous contour.假设用一个水平面街区高低起伏的地面，则水品县与地面的交线就是一条连续不断的等高线。 |