问Spacecraft是复数概念么

Pearly

20.

请问spacecraft是复数概念么，为何veture不用单数呢？？

It may be another fifteen years before spacecraft from Earth again venture to Mars, a planet now known to be cold, dry, and probably lifeless.

mbz

Here is your answer: space·craft [ spáyss kràft ]                                     (plural                                         space·craft or space·crafts)