adj
1 having certain limitations 有一定限制的; 有限的; 受约束的
*restricted access, development,potential 受限制的接触、发展、潜力
* The drug has only a restricted commercial use. 这种麻醉药用作商品是极受限制的.
* (Brit) a restricted area, ie where speed or parking is strictly controlled 车速或停车限制区.
2 [esp attrib 尤作定语]
(a) (Brit) (of land) not fully open to the public （指土地）对公众不完全开放的
*enter a restricted zone 进入禁区.
(b) (esp US) (of land) not fully open to military personnel （指土地）对军人不完全开放的.

adj
small or limited in size, area, or amount
　It's difficult trying to work in such a restricted space.
limited or controlled, especially by laws or rules
　Press freedom is severely restricted.
restricted to
　The sale of alcohol is restricted to people over the age of 18.
　There is restricted access to this information (=only certain people can have it) .
limited in your movements or in what you are able to do
　The accident left her with restricted movement in her right leg.
　In those days women led very restricted lives.
a restricted area, document, or information can only be seen or used by a particular group of people because it is secret or dangerous
　No Entry - restricted area for army personnel only.
be restricted to sb/sth
to only affect a limited area, group etc
　The damage is restricted to the left side of the brain.
　Eligibility for five weeks' holiday is restricted to senior management.