VOA慢速英语:美国呼吁暂停使用强生公司的新冠疫苗

pause –n. a temporary stop : a period of time in which something is stopped before it is started again

priority –n. something that is more important than other things

rollout –n. a time when a new product or service is first offered for sale or use

blood clot –n. a thick and sticky clump of dried blood that stops blood from flowing through a blood vessel

storage –n. space where you put things when they are not being used