For example, you could make a physical door or a crane with a swinging chain.

比如，你可以制作一扇逼真的门或者是一台有摆动链条的吊机。

youdao

Do you hear, he is gently shaking the chain which fastens the door?

你听见没有，他在轻轻地摇动那拴门的链子？

youdao

Make sure the equipment safety and human safety during the move of transformer. The transformer is fixed with door fixture and chain block after being transported to installation position.

变压器在移动过程中确保设备和人身安全。变压器运至安装位置后采用门型架、倒链就位。

youdao

Police and charities working with older people all offer advice on crime prevention measures for the elderly, ranging from not keeping large sums of cash at home, to installing an entry phone or using a door chain.

BBC: Protecting the elderly

Cordero said that the woman had cracked opened the inner of two front doors but that the outer door was closed with a chain.

CNN: SHARE THIS

When they returned, the front door was locked and there was a chain on from the inside, blocking their way.

CNN: SHARE THIS