性成熟年龄
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age of sexual maturity
以上为机器翻译结果，长、整句建议使用 人工翻译 。
She explained that female African elephants (Loxodonta africana) are able to give birth from about 10-12 years but males did not reach sexual maturity until the age of 25-30 years.
BBC: Early life care shapes African elephants' future
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