security clearance

From Longman Dictionary of Contemporary Englishsecurity clearanceseˈcurity ˌclearance noun [countable, uncountable] LET/ALLOWofficial permission for someone to see secret documents etc, or to enter a building, after a strict checking processExamples from the Corpussecurity clearance• Another son, Ron, is a Lockheed employee with a security clearance.• In preparation for his job at Commerce, Huang received an interim security clearance while he was still working at Lippo.• A visitor without security clearance must be signed for by the sponsor and accompanied at all times.

单词	security clearance
释义	security clearance From Longman Dictionary of Contemporary Englishsecurity clearanceseˈcurity ˌclearance noun [countable, uncountable] LET/ALLOWofficial permission for someone to see secret documents etc, or to enter a building, after a strict checking processExamples from the Corpussecurity clearance• Another son, Ron, is a Lockheed employee with a security clearance.• In preparation for his job at Commerce, Huang received an interim security clearance while he was still working at Lippo.• A visitor without security clearance must be signed for by the sponsor and accompanied at all times.
随便看	it is sprinkling it is startling to do it is startling to do something it is stupid etc of it is stupid etc of to do it is surprising it is surprising (that) it is surprising how etc it is surprising how/what etc it is surprising that it is surprising what etc it is the business of somebody to do something it is the business of to do it is the case it is the case (that) it is the case that it is the custom (for somebody) to do something it is the custom for to do it is the custom to do it is thoughtful of somebody to do something it is thoughtful of to do it is thoughtless of somebody to do something it is thoughtless of to do it is traditional (for somebody) to do something it is traditional for to do