All the great apes show some use of food processing.
所有的类人猿都不同程度地加工食物。
Great apes press their lips together to express excitement, affection, or reconciliation.
大猩猩也会彼此把嘴唇贴在一起,表达激动、情感或和解。
Great apes press their lips together to express excitement, affection, or reconciliation.
大猩猩也会彼此把嘴唇贴在一起,表达激动、情感或和解。
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