quarantine：検疫

China has announced that its requirement for travellers arriving in the country to go into quarantine will end on 8 January.

中国は、国に到着した旅行者が検疫を受けるという要件が1月8日に終了すると発表しました。

announce：発表する

requirement：要件

quarantine：検疫

China has announced <that its requirement for travellers arriving in the country to go into quarantine will end [on 8 January]>.

China to end Covid quarantine for foreign arrivals - BBC News