prep.大约
adv.大概；〔拉丁语〕大约；近于；近似

Circa 1600, the city was known for its bustling trade industry.
大约在1600年，这个城市以其繁忙的贸易行业而闻名。
The painting is believed to have been created circa 1475 by Leonardo da Vinci.
这幅画据信是列奥纳多·达·芬奇于1475年前后创作的。
The ancient temple is estimated to have been constructed circa 200 BC.
这座古庙估计建于公元前200年左右。
She began her career in acting circa 1985.
(她大约在1985年开始了她的演艺生涯。
Circa 1900, electricity became widely available in urban areas.
大约在1900年，电力开始在城市地区广泛使用。
The novel is set circa 1950s in post-war America.
这部小说的故事发生在战后的美国，大约在1950年代。
The new shopping mall is scheduled to open circa June this year.
新的购物中心预计将于今年六月左右开业。
The band's first album was released circa 1998, marking their debut in the music scene.
该乐队的第一张专辑大约在1998年发行，标志着他们音乐事业的开端。
Circa 1850, slavery was abolished in most parts of the world.
大约在1850年，世界上大部分地区废除了奴隶制。
The festival has been held circa mid-summer every year since its inception in 1970.
(自1970年创立以来，这个节日每年夏天中期都会举行。