柯林斯詞典Zond /z?nd/ 1. N any of a series of unmanned Soviet spacecraft, first launched in 1964 as interplanetary space probes, the most successful of which, Zond 3, sent back photographs of the hidden side of the moon in 1965 (前蘇聯(lián))探測器號無人太空飛船 返回 Zond