pitman shaft

例句：

1. 1.The pillars of the temple are made of stone.
   这座寺庙的柱子是用石头做的。
2. 2.The postman delivered the mail this morning.
   邮递员今天早上送来了邮件。
3. 3.The pillars of the building are strong enough to support its weight.
   这座建筑的柱子足够坚固，能够支撑其重量。