单词	signed on
释义	sign on verb signed on; signing on; signs on intransitive verb 1 : to engage oneself by or as if by a signature signed on to the new project 2 : to announce the start of broadcasting for the day sign-on ˈsī-ˌnȯn  -ˌnän noun Synonyms enlist (in) enroll (in) enter join sign up (for) See all Synonyms & Antonyms Word History First Known Use 1879, in the meaning defined at sense 1 signed on verb past tense of sign on as in signed up Synonyms & Similar Words Relevance signed up enlisted enrolled promised vowed betrothed contracted plighted swore affianced trothed overcommitted mortgaged pledged committed engaged Antonyms & Near Antonyms reneged
随便看	requin requin shark requins requirable require required required reading requirement requirements requirer requirers requires requiring requirings requisite requisiteness requisitenesses requisites requisition requisitioned requisitioner requisitioning requisitionist requisitionists requisitions

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