English主要词典
orbital
Universal Words
adjective, noun
adjective [onlybeforenoun]
1 connected with the orbit of a planet or object in space
2 (BrE) (of a road) built around the edge of a town or city to reduce the amount of traffic travelling through the centre
noun (BrE) a very large RINGROAD, especially if it is a motorway:
the M25 London orbital
