The child has got a bad cold; you should call in the doctor right .
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We'll have to hurry up to get the village before dark.
I spend five minutes making a sandwich every morning.(同义句改写)
面静脉
A. 在口角平面以上通常无静脉瓣
B. 注入颈外静脉
C. 直接与海绵窦相通
D. 在下颌角下方与下颌后静脉后支回合
E. 主干走行在危险三角区内