heat shield

device on a spacecraft that protects it against excessive heat, esp when it re-enters the earth's atmosphere 热屏蔽（宇宙飞船上的隔热层, 尤於重返地球大气层时, 可防止飞船过热受损）.

heartburn, hearten, heartening, hearteningly, heartfelt, hearth, hearth-rug, hearthrug, heartily, heartiness, heartland, heartless, heartlessly, heartlessness, heartrending, heartsick, hearty, heat, heat barrier, heat rash, heat-stroke, heat-wave, heated, heatedly, heater, heath, Heath Robinson, heathen, heathenish, heather, heating, heatwave, heave, heaven, heaven-sent, heavenly, heavenward, heavily, heaviness, Heaviside layer,