•a natural substance自然物质

•People say that breast-feeding is better than bottle-feeding because it's more natural.人们认为母乳喂养比用奶粉喂养好，因为母乳更为天然。

•He died from natural causes (= because he was old or ill).他是自然死亡。

•Floods and earthquakes are natural disasters.洪水和地震是自然灾害。

•natural beauty自然美

•a natural talent for sports运动天赋

•She's a natural blonde (= Her hair is not artificially made a lighter colour).她天生一头金发。

•natural mineral water天然矿泉水

•natural ingredients天然成分

•Of course you're upset - it's only natural.当然你会难受——这一点也不奇怪。

•E naturalE 本位音

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•She won't have any troubles learning to ride a horse - you can see she's a natural.她学习骑马不会有任何困难——可以看得出她天生就是个骑手。