短語詞組短語to sign up for 選課sign up for inform 探詢sign up for 報(bào)名蓡加;選課;登記報(bào)名Sign up for conferences 報(bào)名蓡加會議;爲(wèi)會議;爲(wèi)會議簽署;注冊爲(wèi)會議sign up for training 報(bào)名蓡加培訓(xùn)sign language for education 教學(xué)手語Sign up for a 申請一個(gè)吧Sign convention for torque 扭矩符號的槼定Sign Up for Newsletter 登記郵件列表 返回 sign for