hubble是什么意思_hubble怎么读_音标'hʌbl
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hubble是什么意思音标:英 ['hʌbl]美 ['hʌbəl]
n. 小凸起, 小瘤
n. United States astronomer who discovered that (as the universe expands) the speed with which nebulae recede increases with their distance from the observer (1889-1953)