lower half casing

例句：

1. 1. The lower half of thecar is where the engine is located.
   汽车的下半部分是发动机所在的位置。
2. 2. The lowerhalf of the table is where the legsare attached.
   桌子的下半部分是腿所附着的地方。
3. 3. The lower half of the dressis made of satin.
   裙子的下半部分是用缎制成的。