He adduced nothing to prove his theory.
没能举出例子来证

理论。
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人-文艺 

题
人 Culture
人-综合
人-综合 The latter resembles somewhat more closely the chelae or pincers of Crustaceans; and Mr. Mivart might have adduced with equal appropriateness this resemblance as a special difficulty, or even their resemblance to the head and beak of a bird.
后者更类似于甲壳动物
螯或钳子;米瓦特先生可能会同样恰当地引用这种相似性作为一个特殊
困难,甚至他们与鸟
头部和喙
相似性。