单词	unchangeable
释义	un·change·a·ble (ŭn-chānjə-bəl) adj. Not to be altered; immutable: the unchangeable seasons. un·change′a·bili·ty, un·changea·ble·ness n. un·changea·bly adv.
随便看	twelvepenny nail Twelver twelve-step twelve-tone twentieth twenty twenty-one twenty-twenty 'twere twerp Twi twice twice-laid twice-told twiddle twiddle (one's) thumbs twiddle one's thumbs twiddler twiddle thumbs twig twig twig twiggy twilight twilight sleep

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