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来源:雅诚德英语网
The ape shoulder is good for hanging from a tree, but when our ancestors started walking on two legs, the shoulder started to change.
猿猴的肩膀有利于其在吊在树上,但是当我们的祖先开始以两条腿走路以后,猿猴的肩膀也开始发生变化。
The ape shoulder is good for hanging from a tree, but when our ancestors started walking on two legs, the shoulder started to change.
猿猴的肩膀有利于其在吊在树上,但是当我们的祖先开始以两条腿走路以后,猿猴的肩膀也开始发生变化。