来自mature,成熟的，-ity,名词后缀。

1. Lacking self-confidence and maturity, many teenagers are left feeling very vulnerable.

许多十几岁的孩子既缺乏自信又不够懂事，所以感情上十分脆弱。

2. Girls generally reach sexual maturity two years earlier than boys.

通常女孩性发育成熟要比男孩早两年。

3. Customers are told what their policies will be worth on maturity.

客户被告知保险单到期时的价值。

4. His behaviour spoke of an early maturity.

他的举止流露出早熟的痕迹。

5. We stop growing at maturity.

我们成年之后不再长个儿。