例句：

　　Another brain system often becomes active as one protests against the departure of a lover.

　　另一個(gè)大腦系統經(jīng)常在一個(gè)人抗議愛(ài)人的離開(kāi)時(shí)變得活躍。

　　I'm a lover of the outdoors.

　　我是個(gè)戶(hù)外活動(dòng)愛(ài)好者。

　　He was a man of catholic tastes, a lover of grand opera, history, and the fine arts.

　　他是一個(gè)興趣廣泛的人，愛(ài)好大歌劇、歷史和美術(shù)。