【医】 strata lacunosum
antrum; cavity
【医】 cava; cavern; caverna; cavitas; cavitat; cavity; cavum; celio-; chamber
coel-; coelio-; lumen; lumina; space; spatia; spatium
crack; crevice; gap; interval; opportunity; rift
【化】 opening
【医】 gap; space; spatia; spatium; split
layer; region; stage; story; stratum; tier
【计】 layer
【医】 coat; lamella; lamellae; lamina; laminae; layer; strata; stratum
