• 1. speed door: 旁开三扇双速门
• 2. low-speed door: 低速门
• 3. single speed door: 单速门

更多释义

• 1.Only US firefighters and repairmen can use the buttons to speed up the door-closing process if they have a code or special keys.
  只有美国消防员和维修人员有密码或者特殊的钥匙时，他们才能按按钮加速关门的过程。
  dict.yoduao.com
• 2.She ran with all speed back to the little door: but, alas!
  她飞快地跑回小门那儿去：但是，哎呀！
  dict.yoduao.com
• 3.Then I speed the return of dormitory, Nahao keys, bag, close the bedroom door, and then with the crowd Xialou.
  然后我速度的返回寝室，拿好钥匙，包，关上寝室门，然后随着人群下楼。
  dict.yoduao.com

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