adulthood

UK:  [ə'dʌlt.hʊd]

US:  ['ædʌlt.hʊd]

n.

1.成年时期

2.成人期

1 . "We tend to think of the brain as being static or even beginning to degenerate once we reach adulthood, " she says.
“我们往往认为，一旦达到成年，我们的大脑便静止下来，或甚至出现衰退”，她说。

2 . Marriage was seen as a passport to adulthood, when you were allowed to have sex and live together.
婚姻被看作是迈进成年的通行证，而成年后才能有性和同居。

3 . Needless to say, the mortality rate amongst derro children is quite high with only one out of every three children surviving to adulthood.
不用说，迪洛矮人小孩的死亡率非常高，每三个只有一个有幸活到成年。

4 . At least in terms of the shape of their brains, Neandertal newborns pretty much coasted into adulthood.
至少就他们大脑的形状而言，尼安德特新生婴儿的大脑与他们成人时的几乎差不多。

5 . The baby boomers , who entered adulthood promising a lifetime of activism, have been a politically undistinguished generation.
出生于生育高峰的人，在成年后承诺行动主义，只是一代政治上平庸的一代。