【计】 five hole punched tape
five
【医】 pent-; Quinq
aperture; bore; foramen; hole; os; ostium; vulva
【化】 hole; opening
【医】 apertura; aperturae; aperture; bore; coel-; foramen; foramina; hiatus
mesh; opening; pore; Pori; porosity; porus; trema
empty; hollow; air; for nothing; vacancy
【计】 empty; null
【医】 keno-
【经】 for nothing
chance; crucial point; engine; machine; occasion; organic; pivot; plane
flexible
【医】 machine