Now we're going to make it light up using an LED keyring.

现在我们要让它亮起来，使用LED钥匙圈。

I know they're not glamorous I need to get like a keyring or something.

我知道它们并不迷人，我需要像钥匙圈之类的东西。

They cross to another street and duck into an alcove between two pillars while Henry fishes a keyring with dozens of keys out of his hoodie.

他们穿过另一条街道， 躲进两根柱子之间的凹处， 亨利从连帽衫里掏出一个钥匙圈， 里面有几十把钥匙。

It's a kind of adornment or a small decoration, normally something small like a fridge magnet or a keyring or a bottle opener, maybe something you can use around the home or decorate the house.

它是指一种装饰或小装饰品，通常是像冰箱磁铁或钥匙圈或开瓶器这样的小东西，也许你可以在家里使用或用来装饰房子。