natural没有最高级。
Science empowers man to conquer natural forces .科学使人类能征服自然。
They have a natural fondness for humans .他们天生就对人有感情。
She has the natural grace of a born dancer .她生来具有舞蹈家的优雅风度。
Natural gas will be the first to run out .天然气将首先被用完。
She speaks english with very naturalintonation ..她说英语，语调很自然。
