target red blood cell

例句：

1. 1.The hunter aimed his gun at the deer.
   猎人瞄准了鹿。
2. 2. The target was asmall boat in the middle of the lake.
   目标是一个湖中央的小艇。
3. 3. The soldierswere trained to shoot at the enemy targets.
   士兵们被训练射击敌人的靶子。