若你的孩子头部受伤并随之出现昏迷，呕吐，反应迟钝，思维混乱或四肢无力的症状，就呼叫911。

Call 911 if your child gets a head injury that's accompanied by unconsciousness, vomiting, unresponsiveness, confusion, or weakness in the limbs.

youdao

一个典型的登革热感染病人卧床一周多并伴随发热和四肢剧痛，但是大部分可以康复。

A typical dengue infection confines a patient to bed for more than a week with fever and severe limb pains, but most recover.

youdao

他得了脑瘫，并接受了7次手术以矫正四肢。

He has cerebral palsy and has already had seven operations to unbend his arms and legs.

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