单词	unnavigable
释义	unnavigable adjective un·​navigable "+ : not navigable up rapid-broken, unnavigable streams World's Work Word History First Known Use 1578, in the meaning defined above
随便看	setenants seter Seth sethead sethian Sethite seths seti- setier setification setiform setiger setigerous setline setlines setness setnet seto Seto ware setoff setoff sheet setoffs setons Setophaga setophagae

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