Basion

例句：

1. 1.The car was placed on a sturdy base before it was driven off.
   汽车在被驱动之前，放在了一个稳固的基座上。
2. 2. The scientist used a base plate to support the delicate experiment.
   科学家使用一个基板来支撑这个精细的实验。
3. 3.The new building is built on a solid base of concrete.
   新建筑建立在坚实的混凝土基座上。