名词
中文翻译：障碍物
同义词：
['block', 'impediment例句：1. The car was stopped by a traffic obstacle.（汽车被交通障碍物挡住了。）']
例句：
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1. The car was stopped by a traffic obstacle.
汽车被交通障碍物挡住了。
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2.The path was blocked by fallen trees.
小径被倒下的树木阻挡了。
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3.The project encountered several obstacles during the planning phase.
在规划阶段，该项目遇到了几个障碍。