We're breaking a link in the chain of transmission.

我们正在打破传播链中的一个环节。

Yeah, so you know, we're all a link in the chain.

是的，所以你知道，我们都是链条中的一个环节。

He was ambitious of a wider effect: he was fired with the possibility that he might work out the proof of an anatomical conception and make a link in the chain of discovery.

他雄心勃勃， 希望能产生更广泛的影响：他对可能证明解剖学概念并在发现链中建立联系的可能性感到兴奋。