复数:calcaria
1.【化】(焙化玻璃的)熔炉;煅烧炉
2.【植】距管
3.【动】距
1.a spur on a plant or animal part, e.g. on a bird's leg or at the base of a petal
2.a furnace formerly used in glassmaking for burning materials to make frit, the viscous substance from which glass is subsequently made