用这样的杯子喝水真给力啊

Fred & Friends Tank Up is a Coffee Mug Packaged ($12.17) is a printed heat sensitive gauge which is designed to resemble an automobile gas gauge. As hot liquid is poured into the mug the gauge turns red and gradually rises from the bottom to indicate how hot the liquid is.
这款Fred＆Friends咖啡杯的杯壁上有一个温度感应器，这个测量器能够自动测量温度。当你往被子里倒入热水的时候，杯壁上的温度感应器就会根据温度而升高，并能直观地告诉你液体的温度。这款创意杯子售价12.17美元，折合人民币78.7元。