adj.廣泛的；廣闊的；廣大的；大量的

I have benefited a lot from extensive reading. 廣泛的閱讀使我受益匪淺。

The teacher had both extensive knowledge and profound scholarship. 先生的學(xué)問博大精深。

The mansion has extensive grounds. 這大廈四周的庭園廣闊。

There is already an extensive cooperative medical service. 合作醫(yī)療已經(jīng)有了廣大的發(fā)展。

It is impossible to vanquish so strong an enemy without making an extensive and long-term effort. 現(xiàn)在要戰(zhàn)勝這樣一個(gè)強(qiáng)敵，非有長期的廣大的努力是不可能的。

There is now extensive literature dealing with the First World War. 現(xiàn)有大量關(guān)于第一次世界大戰(zhàn)的文獻(xiàn)。

adv.廣泛地；大規(guī)模地

n.廣大；大范圍；延伸

adj.有共同邊界的；有同樣范圍的