improvev.改进；改善；
increasev.(使)增长，增多；增加；n.增长；增多；增加
Smoking can increase the risk of developing heart disease.
吸烟会增加得心脏病的危险。
The increase will not be in excess of two per cent.
增加幅度不会超过百分之二。
We seek to improve relations between our two countries.
我们寻求改进我们两国间的关系。
