这是本周体育赛事的简要回顾。

Here's a brief ___roundup of this week's sports events.

牧羊人每年春天都会对羊群进行一次集中。

The shepherd conducts a ___roundup of the sheep every spring.

警方对赌场的突击检查导致十几名嫌疑人被拘留。

The police ___roundup at the casino led to the detention of more than a dozen suspects.