obstacle[ˈɔbstəkl]

n.障碍（物），绊脚石
◇ create obstacles制造障碍
eliminate obstacles消除障碍
‖ artificially imposed obstacle人为障碍
obstacle avoidance laser radar激光防撞雷达
obstacle avoidance 排除故障
obstacle clearance box障碍间隙框
obstacle course设有障碍的跑道（训练场）obstacle detecting device障碍检测装置
obstacle golf障碍高尔夫球运动
obstacle judge障碍裁判员
obstacle jump障碍跳跃
obstacle knocked over撞到障碍
obstacle marking障碍物标志
obstacle race设障赛跑，障碍赛跑
obstacle race carrying heavy equipment负重障碍赛跑
obstacle swimming障碍游泳
obstacles n. 障碍（物），雷达目标