space probe
柯林斯词典
1. N-COUNT A space probe is a spacecraft with no people in it which is sent into space in order to study the planets and send information about them back to earth. (無人)航天探測器
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space probe (space probes)
剑桥词典
- a small spacecraft , with no one travelling in it, sent into space to make measurements and send back information to scientists on earth
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