在需要急救的情况下，医疗与卫生构成第三环。

In emergency care situations, health care and hygiene become the third link.

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火灾现场周边的东三环、朝阳路已经实施交通管制。

Fire crews are on the scene and appeared to have control of the fire.

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火灾现场周边的东三环、朝阳路已经实施交通管制。

Fire crews are on the scene and appeared to have control of the fire.

youdao