The horses were swiftly corralled.是什么意思？

The horses were swiftly corralled.

马群被迅速赶进了围栏。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

horses

n. 马( horse的名词复数 )，骑马的军人，骑兵；

例句
Between them, they train over fifty horses in Lambourn.
他们在兰伯恩总共驯了五十多匹马。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

swiftly

adv. 迅速地，敏捷地，倏忽，飞，赶；

例句
They meant to finish her off, swiftly and without mercy.
他们打算毫不留情地迅速结果了她。

corralled

--

例句
Within hours, police corralled the three men Lewis had named.
几小时之内，警察就抓到了刘易斯提到的那三个人。