revert to的用法和樣例：
例句
- Louise lost no time in returning to Cincinnati.
路易絲沒(méi)有耽擱，馬上回到辛辛那提。 - The small ball dropped back to the floor.
小球又落回到地板上。 - By this time he was strong enough to start school.
到這時(shí)他身體已恢復到能上學(xué)了。 - None of us wish to switch back to the old system.
我們誰(shuí)也不愿意恢復到舊制度。
