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unit 568 医治感染 dialogue 英语情景对话 A:I have the chills and an upset stomach. A:我直打冷颤,胃也痛。 B:How long have you felt like this? B:这种症状多久了? A:For most of the week. A:差不多一周了。 对抗感染 B
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an
Why are dogs'noses so wet? 狗狗的鼻子为什么总是湿的? Humans and dogs share a special relationship, moulded over millennia of reciprocal love and companionship. 数千年来,人类和狗狗都有十分特殊的关系,相互喜爱,相
Another example: 还有一个例子 a few years ago I got a call from a man who was 19 years old, 几年前,我接到一个十九岁的男孩打来的电话 who was born a boy, raised a boy, 他生下来是个男孩,也被当作男孩来养 had a