n. a principle that limits the extent of something
n. the act of keeping something within specified bounds (by force if necessary)
词态变化
复数形式:restrictions
常见例句
1
complete and without restriction or qualification
2
restriction
3
sudden restriction on an activity
4
restriction imposed by the government on documents or weapons that are available only to certain authorized people
5
or having clean habits s free of restrictions or qualifications s (of sound or color) free from anything that dulls or dims s free from impurities s (of a record) having no marks of discredit or offense a ritually clean or pure a not spreading pollution or contamination