增加

　　increase: To make or become larger in amount or number.

　　it refers to quantity or intensity as well as size.

　　The population of this county has increased.

　　add: To put together with something else so as to increase the

　　number size, importance.

　　He added some wood to increase the fire.

　　(扩大) enlarge: To grown larger or wider.

　　I want to enlarge this photograph/house.

　　(放大) magnify: To make something appear larger than in reality, esp. by means of a lens.

　　You have magnified the peril.

　　(扩充) amplify: To make large or fuller, esp. give fuller information, more details etc.

　　to amplify a radio signal/sound.

　　augment: (fml) To become larger or greater.

　　It emphasizes the action of addition.

　　He augmented his income by writing some short stories.

　　(扩展 扩张) expand: To increase in range scope or volume as well as in size. Iron expands when it is heated.

　　(加长) extend: To make longer in space or time, to extend a railway.

　　Can't you extend your visit for a few days.