词汇	Ca ion
释义	Ca ion 钙离子
随便看	a fire hose A fire hydrant a fire in a small town A fire is comparable with the sun a fire of criticism a fire of reproaches a fire of unknown origin A fireplace lends coziness and cheer to a room a fire prevention officer a fire-prevention zone a fireproof cellar door a fireproof door afirer a fire shedding warmth A fireside chat a fire spitting sparks afirest a firestorm of criticism a fire suppressant a fire upon the deep a fire wall A firewall screen is all thresh to our datum A fire was blazing on the hearth A fire was burning in the grate A fire was burning merrily in the grate