例句與造句

1. keep at least a 2-second distance from the vehicle in front
   沉住氣最少保持兩秒距離
2. by subtracting the first distance ( light to startshadow locator ) from the second distance ( light to endshadow locator ), you get the difference between how far the locators are from the light source
   通過第二個距離（燈到結(jié)束陰影點）減去第一個距離（燈到開始陰影點），你得到從定位器間到光源處有多遠(yuǎn)距離。
3. It's difficult to find second distance in a sentence. 用second distance造句挺難的