1. 樟脑丸：camphol 冰片 | camphor ball 樟脑丸 | camphor oil 樟脑油

2. 卫生球：卫生设备 sanitary equipment | 卫生球 camphor ball | 卫生队 medical team

noun

1. a small sphere of camphor or naphthalene used to keep moths away from stored clothing

Synonym: mothball