慢速英语:为什么卫生专家不警告食品中的新冠病毒

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diarrhea – n. an illness that causes you to pass waste from your body very frequently and in liquid rather than solid form

digestive – adj. relating to or functioning in the body's process of changing food into simpler forms that can be taken up and used

respiratory – adj. relating to the act or process of breathing

salmonella – n. a kind of bacteria that is sometimes in food and that makes people sick