释义
n.
the state, fact, or period of being mature
成熟；成年
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their experience, maturity, and strong work ethic 他们的经验、老练和强烈的职业道德
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the delicate style of his maturity .代表他成熟的细致风格。
the time when an insurance policy, security, etc. matures.
（保险单、证券等）到期。
[count noun]an insurance policy, security, etc. having a fixed maturity date
（保险单、证券等）有固定到期日的票据。
词源
"late Middle English： from Latin
