他修好了自行车的链条。

He fixed the bicycle chain.

自行车的链条需要上点油。

The bicycle chain needs some oil.

他用钳子弄断了链条。

He broke the chain with a pair of pliers.

我们需要一条新的链条来锁门。

We need a new chain to lock the door.

狗被用一条链条拴在柱子上。

The dog was tied to a post with a chain.

她发现项链链条上有一个扭结。

She found a kink in her necklace chain.

确保定期给自行车链条润滑。

Make sure to lub the bicycle chain regularly.

他用润滑油来保养自行车链条。

He uses lube oil to maintain his bike chain.

磨损的链轮可能会导致链条打滑。

A worn-out sprocket can cause the chain to slip.

他不得不下车检查自行车的链条。

He had to dismount to check the bicycle's chain.