contour chase

短语

词形变化

contour chased contour chases 三单 contour chases contour chasing contour chasing 现在分词 contour chased 过去式 contour chased 过去分词

释义与例句

v.
  1. 1.

    To fly an aircraft at low altitude, following the shape of the ground below.

    航空 商务 工程