arching

动词 arch:

1. form an arch or curve
   同义词：arch, curve, arc

形容词 arching:

1. forming or resembling an arch
   同义词：arced, arched, arciform, arcuate, bowed

1. Go through the arch and follow the path.
   穿过拱门，沿著那条路走。
2. Marble Arch is a famous London landmark.
   大理石拱门是著名的伦敦标志。