Most competition cars will only roll over if they hit an obstacle.
大多数赛车只有在撞上障碍物时才会翻车。
He left her to navigate her own way round the trolleys and other obstacles.
他扔下她一个人在一堆手推车和其他障碍物之间绕来绕去。
Overcrowding remains a large obstacle to improving conditions. [+ to]
过分拥挤仍然是改善环境的一大障碍。
To succeed, you must learn to overcome obstacles.
必须学会克服困难才能成功。
obstacle course 1
obstacle to peace 2
be an obstacle, hit an obstacle, overcome an obstacle 1 2
big/biggest obstacle, main obstacle, major obstacle, serious obstacle 1 2
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