名词
中文翻译：门的启动器
同义词：
['door opener', 'door unlocker']
例句：
-
1. The door starter is a small device that you can attach to your doorknob to make it easier to open.
门启动器是一种小型装置，你可以将其附着在门把手上，使其更容易打开。
-
2. The door starter has a built-in sensor that detects when the door is opened and automaticallylocks it behind you.
门启动器内置了一个传感器，当门被打开时，它会检测到并自动锁定在你身后。
-
3. The door starter is a convenient feature for people who have difficulty opening their doors due to physical limitations.
门启动器对于有身体限制的人来说是一个便捷的功能，他们很难打开自己的门。