“哲学”一词源自古希腊语，意为“对智慧的热爱”。

The word 'philosophy' ___derives ___from ancient Greek terms meaning 'love of wisdom'.

许多现代药物是从传统草药中提炼而来的。

Many modern medicines ___are ___derived ___from traditional herbal remedies.

该国很大一部分电力来自可再生能源。

A significant portion of the country's electricity ___is ___derived ___from renewable sources.