door-knob 门把
inside door knob 内锁手柄
door-knob tube 钮形管
a door knob menu 门把菜单
door-knob transition 门钮形变换
door-knob transformer [通信] 门钮形转换器
door knob tube 门钮形电子管
door-knob capacitor [电] 门钮形电容器
同义词： doorknob doorhandle
以上来源于: WordNet
N-COUNT A doorknob is a round handle on a door. 门环
You turn the door knob, step over the door threshold and find this beautiful room that just feels like a soft glowing light.
你转动门把手，跨过门槛进入门内，发现这个漂亮的房间感觉起来有些像是用柔和辉光构建的。
There's a Do-Not-Disturb sign on your door knob.
你的房门上挂着“请勿打扰”牌。
The door knob came off when I gave it a mere turn.
我只不过拧了拧门把手，可它却掉了。
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