blood is thicker than water.
举一反三
- The water activity of ice is smaller than water.
- More than seventy percent of the water on the earth is sea water.
- Under the same conditions, fresh water evaporates faster than sea water.
- My teacher told me that salt water _________ (freeze) at a lower temperature than fresh water.
- Bottled water is ( more / less ) expensive than tap water. It costs almost 1000 times more.