正文

VOA慢速英语:卫生官员担心麻疹发病率上升

2019-04-23来源:和谐英语

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Words in this Story

trivial - adj. not important

malnourished - adj. not eating enough food or not eating enough healthy food

immune system - n. the system that protects your body from diseases and infections

access - n. a way of being able to use or get something

pneumonia - n. a serious disease that affects the lungs and makes it difficult to breathe

swell - v. to become larger than normal