cloud

n.云；一缕，一群；阴影

closely, closeness, closet, closing price, closing-time, closure, clot, cloth, clothe, clothes, clothes moth, clothes-basket, clothes-brush, clothes-hanger, clothes-horse, clothes-line, clothes-peg, clothing, clotted cream, cloture, cloud chamber, cloud plains, cloud-bank, cloud-cuckoo-land, cloudburst, cloudiness, cloudless, clouds, cloudy, clout, clove, clove hitch, cloven, clover, clover-leaf, clown, clownish, cloy, cloying, cloze test,