单词	off-peak
释义	off-peak adjective ˈȯf-ˈpēk  : not being in the period of maximum use or business : not peak telephone rates during off-peak hours Word History First Known Use 1911, in the meaning defined above
随便看	tetraodont Tetraodontidae tetraodontidaes tetraodontoxin tetraoes Tetraonidae tetraonidaes tetraos tetraphyllid tetraphyllidean tetrapla tetraplas tetraploid tetraploidies tetraploids tetraploidy tetrapod Tetrapoda tetrapodal tetrapodies tetrapods tetrapody tetrapolar tetrapolarity tetrapolises

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