closedadj.
英 kləʊzd | 美 klozd
中文adj. 关着的；不公开的\nv. 关；结束；接近（close的过去分词）
关着的；不公开的
v. 关；结束；接近（close的过去分词）
词根词源
closed (adj.)c. 1200, past participle adjective from close (v.). Closed circuit is attested from 1827; closed shop in union sense from 1904; closed system first recorded 1896 in William James.
关键词
相关频道
汉语字典