ufo
n.不明飞行物
难易程度:
ufo为短语/超纲词汇
词形变化:
名词复数:UFOs
ufo
n[C]
unidentified flying object a strange object in the sky, that some people believe is a spaceship from another world
= flying saucer
unidentified flying object a strange object in the sky, that some people believe is a spaceship from another world
= flying saucer
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