试: try; test登: ascend; mount; scale试登失败: abortive attempt最后尝试登陆时间: lastupdate试灯按钮: push button for lighting试点: 1.(先做小型试验) make experiments; conduct tests at selected points; launch a pilot project2.(做小型试验的地方) a place where an experiment is made; experimental unit试带机: cassette tape tester试点班: an experimental class试戴帽子: try on a cap试点测量: orientation survey试戴假牙: trial of denture试点地区: pilot area试戴: try in; try-in