diagonal

• 形容与某个方向成斜角、既不垂直也不水平的线条或方向。也指斜向的、交叉的或倾斜的。

Describes a line or direction that is at an angle, especially one that is neither vertical nor horizontal.

1. Slanting directionB1formal

   Extending from one corner to the opposite corner of a shape, or moving in a slanted direction.

   斜的

   • The diagonal line divides the square into two triangles.
   • She drew a diagonal stripe across the canvas.
   • The path runs diagonal to the main road.

   同义词angledaskewcantedobliqueskewedslantedslantingsloping

   反义词horizontalstraightvertical

2. Indirect or obliqueC1formal

   Not straightforward; indirect in approach or meaning.

   间接的

   • He took a diagonal approach to solving the problem.
   • Her comment was a diagonal criticism of the policy.
   • The report used diagonal reasoning to avoid direct conclusions.

   同义词circuitousdeviousevasiveindirectobliqueroundaboutsidewaystangential

   反义词directlinearstraightforward

• 连接多边形或多面体中两个不相邻顶点的直线；也泛指斜向延伸的线。

A noun referring to a straight line that connects two non-adjacent vertices of a polygon or polyhedron, or any line that runs at a slant.

1. Geometry lineB1formal

   A straight line joining two opposite corners of a square, rectangle, or other straight-sided shape.

   对角线

   • Draw a diagonal from one corner to the opposite corner.
   • The diagonal of the square is longer than its sides.
   • In a rectangle, the diagonals are equal in length.

2. Slanting directionB1informal

   A line or direction that is sloping, not vertical or horizontal.

   对角线

   • The pattern on the fabric is made of diagonals.
   • She cut the fabric along the diagonal.
   • The road runs on a diagonal across the field.

   同义词biascantinclineobliqueslantslopetilt