保温: 1. heat preservation2.thermal retardation3. heat insulation4. insulation work5. lagging6. good heat preservation Examples:我们在上个冰冻期之后把管道用保温材料裹上了。After the last freeze-up we put insulation round the pipes.保温壶thermo jug保温温度holding temperature建筑保温heat preservation in building保温外套a warm overcoat.保温外套A warm overcoat.供热管道保温insulation of pipe in district heat supply一只经过保温处理的火鸡a self - basting turkey.保温瓶使冷饮保冷,使热饮保温。A vacuum flask keeps cool drinks cool and hot drinks hot.我们在上个冰冻期之后把管道用保温材料裹上了。After the last freeze - up we put insulation round the pipes.铁架火炉旁或其后用于食品或厨具保温的铁架或凸出物A shelf or projection at the back or side of a fireplace,used for keeping food or utensils warm.