卫生球

mothball

health / hygiene / sanitation

to guard / to protect / to defend / abbr. for 衛生|卫生, hygiene / health / abbr. for 衛生間|卫生间, toilet / surname Wei / vassal state during the Zhou Dynasty (1066-221 BC), located in present day Henan and Hebei Provinces

to be born / to give birth / life / to grow / raw / uncooked / student

ball / sphere / globe / CL:個|个[ge4] / ball game / match / CL:場|场[chang3]