v.預(yù)先裝置；事先調(diào)整
He preset the video recorder at the desired time. 他按要求的時間預(yù)先把錄像機調(diào)好。
You can preset the radiators to come on when you need them to. 你可以預(yù)先調(diào)好暖氣，使它在你需要的時候啟動。
