turret clock trains

例句：

1. 1. The turretof the fort was a strategic pointfor defending against enemy attacks.
   这个堡垒的炮塔是防御敌人攻击的战略要点。
2. 2.The engineers were busy repairing theturret, which had been damagedduring the recent storm.
   工程师们忙于修理炮塔，这个炮塔在最近的暴风雨中受损了。
3. 3. The turret wasmanned by a team of skilled soldierswho could operate the heavy cannons.
   炮塔由一组熟练的士兵操作，他们可以操作重型大炮。