事势

After five hours with a mirror, the pigs were placed in a new test area that contained a food bowl hidden behind a barrier.

五小事势后，这些猪被安设在一个新的测试环境中，而一个装着食品的碗被藏在窒碍物后头。

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As a new military force suddenly rising in the northern part of China, National Army, built up all alone by Feng Yuxiang, has played a decisive role in the modern and contemporary history of China.

国民军是冯玉祥一手缔造，作为北方异军突起的军事势力，在中国近现代史上产生过举足轻重的作用。

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