海鲜不宜与水果同食,因海味中的钙与水果中的鞣酸相结合,便会形成一种不易消化的物质。 清洗坐钟或挂钟内的灰尘时,可用一棉花团浸上煤油置于钟内,几天后取出沾满污物的棉团,钟内零件则已干净。 经常吸烟的人,牙上有一层黑黄色 Seafood and fruit should not be the same food, because of the combination of calcium and seafood tannic acid, it will form a non-digestible material. Cleaning the clock or wall clock dust, a cotton swab can be immersed in kerosene placed in the clock, remove the stained sponge a few days later, the parts inside the clock has been clean. Often smoking people, teeth layer of dark yellow