natural沒有最高級。
Science empowers man to conquer natural forces .科學使人類能征服自然。
They have a natural fondness for humans .他們天生就對人有感情。
She has the natural grace of a born dancer .她生來具有舞蹈家的優雅風度。
Natural gas will be the first to run out .天然氣將首先被用完。
She speaks english with very naturalintonation ..她説英語,語調很自然。