semi-circular trashrack

例句：

1. 1.The designer's office has a semi-circular trashrack in the corner.
   设计师的办公室角落有一个半圆形的垃圾桶。
2. 2.The children were playing with their toys in the semi-circular trashrack.
   孩子们在半圆形的垃圾桶里玩他们的玩具。
3. 3.The company uses semi-circular trashracks to sort and organize their waste.
   这家公司使用半圆形的垃圾桶来分类和组织他们的废物。