第一册：lesson ninety-nine。
原文： Ow !
Ow!
SRE实战 互联网时代守护先锋，助力企业售后服务体系运筹帷幄！一键直达领取阿里云限量特价优惠。What's the matter,Andy?
l slipped and fell downstairs.
Have you hurt yourself?
Yes,I have. I think I have hurt my back.
Try and stand up.Can you stand up? Here. Let me help you .
I'm sorry ,Lucy. I am afraid that I cant get up.
I think that the doctor had better see you.I will phone Dr.Carter.
The doctor says that he will come at once.
I'm sure that you need a X-ray,Andy.
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知识：
slip：v。滑倒 ， 滑了一跤。
downstairs：adv，下楼，在楼下。
back：背。
X-ray：X光。
fall：跌倒。v。
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