The human brain is 80% water. ……

Fros don't drink water with their mouths. They "drink" water through their skin（皮肤）. ……

Frogs don’t drink water. They absorb water from their surroudings through their skin. ……

Cold water weighs (称重) more than hot water. ……

A cucumber consists (包含) of 96% water. ……

  Hot water freezes (结冰) faster than cold water. Hot water freezes (结冰) faster than cold water.  ……

信不信由你
Sounds (声音) go faster in water than in the air. ……

About 97% of Earth’s water is saltwater (盐水). ……

信不信由你Watermelons are 92% water. ……

The ink spreads through the hot water faster than through the cold water, because tiny water molecules (分子) bump (撞击) into each other faster in hot water. ……

VCGA woman drinks from a plastic bag filled with drinkable water in Dakar, Senegal, a country in West Africa. In Senegal, small water bags have become an important part of life. People choose bagged ……

Water in your foodWatermelons are 97% water,lettuce(莴苣) 97%, tomatoes 95% and carrots 90%. ……

Do frogs drink water with their mouths? No. They "drink" water through their skin (通过皮肤). ……

In hot waterCharlie has forgetton his homework.He'll be in hot water with the teacher!In hot water:有麻烦了 ……

One liter (升) of cold water weighs (重) more than a liter of hot water. ……