restrictive
adj
1 restricting 限制(性)的; 约束(性)的
restrictive rulings, measures, etc 限制性的规定、 措施等.
2 (grammar) of a relative clause or phrase that limits or defines the noun which it follows 限制性的
`My friends who live in London´ contains a restrictive clause; `my parents, who live in Leeds´ does not. *my friends who live in London这一结构中含有限制性从句; my parents, who live in Leeds这一结构中无限制性成分.