签字

sign;affix(or add) one’s signature(to)
条约今天已经～。The treaty was signed today./中国没有在该条约上～。China did not sign the treaty./报销单必须有局长的～。The reimbursement bill must bear the signature of the director./参加～仪式attend a signing ceremony/传真～signature by facsimile/～后立即生效come into force upon signature /～盖章signed and sealed /～画押affix one’s signature to/～国signatory state (or power);signatory/～人signer;the undersigned