microcylinder

例句：

1. 1.The microcylinder is used to store small amounts of liquid.
   微型圆柱体用于存储小量的液体。
2. 2. The microcylinder is a useful tool for measuring the size of objects.
   微型圆柱体是一种测量物体大小的有用工具。
3. 3. The microcylinder is used in medical devices to deliver drugs directly into the body.
   微型圆柱体被用于医疗设备中，直接将药物输送到体内。