热水瓶由于价钱便宜,使用方便,被很多家庭广泛使用。但老人和小孩使用时就不那么方便和安全了,因为倒水时必须提起热水瓶使其倾斜才能慢慢将水倒出来。如果热水瓶装满开水,老人、小孩力气不够,就可能摔破热水瓶而被开水烫伤,或被玻璃碎片割伤。 我联想到钢水出炉时钢包放在 Thermoses are widely used by many families because of their cheap price and ease of use. However, the elderly and children are less convenient and safe to use because they must be lifted with a thermos so that they can be slowly poured out. If the thermos is full of boiling water, the elderly and children may not have enough strength to break the thermos and be scalded with boiling water or be cut by glass shards. I think of the ladle when the molten steel was released