Scientists restricted entry to the pygmy hog breeding centers and took other steps, said Parag Deka.

帕拉格·德卡说，科学家们限制进入侏儒猪饲养中心，并采取了其他措施。

During the height of the pandemic, many countries restricted entry to hospitals to authorized people or patients.

在疫情最严重的时期，许多国家限制授权人员或患者进入医院。

The U.S. had also restricted entry through land borders from Mexico and Canada to only " essential" travel.

美国还限制了从墨西哥和加拿大通过陆地边境入境，只允许" 必要的" 旅行。