名词
中文翻译：Unknown
同义词：
['jumping board', 'platform', 'ramp', 'step']
例句：
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1. The athlete used the jib barrow to jump higher than his competitors.
这位运动员利用跳板跳得比对手更高。
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2.The children were playing on the jib barrow in the park.
孩子们在公园的跳板上玩耍。
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3. The pilot had to use the jib barrow to land safely after a long flight.
飞行员在长途飞行后必须使用跳板安全着陆。