pencil mixer

例句：

1. 1. The pencil mixer isa handy tool for organizing my pensand pencils.
   铅笔混合器是一个整理我笔和铅笔的好工具。
2. 2. She uses thepencil mixer to keep her writing utensils organized.
   她使用铅笔混合器来保持她的书写工具整齐。
3. 3. The pencil mixer has become an essential accessory for studentswho need to take notes on their laptops.
   铅笔混合器已经成为学生在笔记本电脑上做笔记时必不可少的配件。