慢速英语:'Part-Time Scientists' Try to Put Vehicle on Moon

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1. vehicle n.车辆; 交通工具; 传播媒介
例句：It proved that winged vehicle could exist alone in space.
它证明了有翼飞行器能够单独在太空中飞行。

2. available adj.可获得的; 有空的; 可购得的
例句：Attention, please. These tickets are available on ( the ) day of issue only.
请注意,这种车票仅在发售当天有效。

3. competition n.竞争; 比赛
例句：Our team has entered for the competition.
我们队已报名参加比赛。