late 14c., from Anglo-French circuler, Old French circuler "circular" (14c., Modern French circulaire), from Latin circularis, from circulus (see circle (n.)). The metaphoric circular firing squad is attested by 1990.
circular (n.)
1550s, "circular figure," from circular (adj.). Meaning "a notice circulated" is from 1818.
实用例句
1. The work interposes a glass plate between two large circular mirrors.
该艺术品在两面圆形大镜子中间插入一块玻璃板。
来自柯林斯例句
2. a circular tour of the city
环城游览
来自《权威词典》
3. The crater was two miles across and roughly circular.
