樟脑丸

樟脑丸	zhāng nǎo wán	camphor balls / moth balls
樟	zhāng	camphor / Cinnamonum camphara
樟脑	zhāng nǎo	camphor C10H16O
脑	nǎo	brain / mind / head / essence
丸	wán	ball / pellet / pill