【医】 Retzius' cavity
mine; thunder
【电】 thunder
aid; cross a river; help
be stranded; disaster; hardship
this
【化】 geepound
family name; surname
antrum; cavity
【医】 cava; cavern; caverna; cavitas; cavitat; cavity; cavum; celio-; chamber
coel-; coelio-; lumen; lumina; space; spatia; spatium