Noun:

1. the period of time in your life after your physical growth has stopped and you are fully developed

2. state of being mature; full development

3. the date on which an obligation must be repaid

responsibilityn.责任；职责；责任心

adulthoodn.成年

prime of lifen.生命全盛期

Middle Agen.中年(复数）Middle Ages：中世纪.

old age晚年

ripenessn.成熟；圆通；完成

mellownessn.成熟；芳醇；肥沃；怡然

developmentn.发展；开发；生长；进展；[摄]显影；新开发区

primeadj.最好的；首要的；典型的n.壮年；全盛时期；青春n.[数]质数vt.事先指点；在（金属、木材等上）打底漆vi.变得首要

manhoodn.成年；勇气；男子气概

agen.年龄；时代；时期；长时间v.（使）变老；（使）陈化

wisdomn.智慧；明智；才智；聪明；至理名言

growthn.【U】增长；生长；发展；种植n.【C】生长物；【医】瘤;赘生物

experiencen.经验；经历v.经历；体验；感受

majorityn.大多数；多数；多数党；多数派

afternoonn.下午

reliabilityn.可靠性

maturity daten.应付款日期

due date到期日

maturenessadj.成熟的；(保单）到期的；考虑周到的v.成熟；长成

immaturityn.不成熟

1. My plan has gradually come to maturity.
   我的计划逐渐成熟。
2. His performance was full of maturity and poise.
   他的表现成熟而稳健。
3. It takes roughly forty years for the trees to reach maturity.
   这些树木要花近四十年才能进入成熟期。
4. The interest on term deposit is only due at maturity.
   定期存款利息必须到期支付。
5. Time deposits generally have a predetermined maturity and amount.
   定期存款通常具有预先规定的到期日和数额。