close border 封關

close border
繁：封關
简：封关

加拿大宣布封關，禁止所有外國人入境，美國公民獲豁免。

加拿大封關禁所有外國人入境　美國公民及部分人士獲豁免（2020年3月17日）。Now新聞，取自https://news.now.com/home/international/player?newsId=384554

Canada will be closing its borders to anyone who is not a citizen or a permanent resident, Prime Minister Justin Trudeau has announced.

Coronavirus: Canada to bar entry for most foreigners – Trudeau. (2020, March 16). BBC. Retrieved from https://www.bbc.com/news/world-us-canada-51861980