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(diǎn)前，火花便會(huì )發(fā)生，否則就不可能適時(shí)達到最高的壓力。
The region is called the blind spot. 這個(gè)區域叫做盲點(diǎn)。
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(lèi)美好的信念，無(wú)情地推向一個(gè)錯誤的盲點(diǎn)。
