就是全公牛，要搬到营外洁净之地，倒灰之所，用火烧在柴上。

That is, all the rest of the bull-he must take outside the camp to a place ceremonially clean, where the ashes are thrown, and burn it in a wood fire on the ash heap.

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重要的是，中部非洲和非洲之角的国家要加强急性弛缓性麻痹监测，以便快速发现脊灰病毒的输入情况并便于及时采取应对措施。

It is important that countries across central Africa and the Horn of Africa strengthen AFP surveillance in order to rapidly detect any poliovirus importations and facilitate a timely response.

youdao

白天摄影大致只需要一张18%灰卡，夜间摄影与之不同，没有一致公认的固定曝光值。

Unlike during daytime where the basis is (roughly) a 18% gray card, there is not really a consistent, commonly agreed upon way to expose night photos.

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