My brother is much heavier than me.
我弟弟比我重得多。
The firing got heavier and heavier.
枪声越来越紧。
Mercury, the liquid metal that is used in many thermometer, is very much heavier than water.
许多温度计中应用的液体金属，水银比水重得多。
Iron is heavier than wood.
铁比木头重。
Water is about 1, 000 times thicker and heavier than air.
水比空气厚1000倍,重1000倍。