preset time的用法和樣例：
例句
- In a given period of time the new machine producedtwice as much as the old one.
在給定時(shí)間內新機器的產(chǎn)量是舊機器的兩倍。 - I'm afraid we're running out of time.
恐怕超過(guò)預定時(shí)間了。 - We can set different floors or room temperature at the scheduled time according to different living habits through the control panel.
我們可以通過(guò)控制面板根據生活習慣設定不同房間或者不同樓層在預定時(shí)間的溫度。
