皮層性

cortical

surname Pi

leather / skin / fur / CL:張|张[zhang1] / pico- (one trillionth) / naughty

cortex

to pile on top of one another / layer; stratum / floor (of a building); story / (math.) sheaf / classifier for layers

nature / character / property / quality / attribute / sexuality / sex / gender / suffix forming adjective from verb / suffix forming noun from adjective, corresponding to -ness or -ity / essence / CL:個|个[ge4]