The responsibility naturally fell on our shoulders.

　　責(zé)任自然地落到了我們肩上。

　　Naturally, the tobacco industry is violently opposed.

　　自然地，煙草行業(yè)會(huì)強(qiáng)烈反對(duì)。

　　Naturally, I get upset when things go wrong.

　　事情出了錯(cuò)，我當(dāng)然就會(huì)很煩。

　　After a while, we naturally started talking about the children.

　　過(guò)了一會(huì)兒，我們自然而然地談起了孩子。