dead spot的用法和樣例：
例句
- The spark is therefore timed to occur before the piston reaches top dead center, otherwise maximum pressure would not be reached in time.
因而，在活塞到達上死點前，火花便會發生，否則就不可能適時達到最高的壓力。 - The region is called the blind spot.
這個區域叫做盲點。 - The power of this paralysing sense of fear has driven some to a blind spot where they cannot see matters in perspective.
這種杯弓蛇影的懾駭力，卻把人類美好的信念，無情地推向一個錯誤的盲點。
