单词详解

1. adj.

成熟的((of animals) fully developed)

We should do our best to develop the adult education. 我们应该努力发展成人教育。

2. n.

A. 成年的人 (fully developed person from maturity onward)

Anyone over eighteen years of age counts as adult. 任何超过18岁的人都算成年人。

B. 成年动物 (any mature animal)

The dog was a fully grown adult. 那只狗完全发育成熟了。

相关单词

近义词：grown-up, mature

反义词：child, childlike

名词：adulthood

复数：adults