The New York Times:

As nations severed air links from southern Africa amid fears of another global surge of the coronavirus, scientists scrambled on Sunday to gather data on the new Omicron variant, its capabilities and — perhaps most important — how effectively the current vaccines will protect against it.

生词短语

sever

切断；切掉

severance pay

离职补偿金

severance package

离职补偿金；遣散费

surge

激增；猛增

coronavirus

冠状病毒

scramble

匆忙做…

variant

变种