更多意思
n.1.  (法律上指能为自己的行为负责的)成年人
2.  成年动物
adj.1.  成年的,发育成熟的
2.  (智力、思想、行为)成熟的,成人的
3.  仅限成人的(因有色情或暴力内容)
参考例句
1. | His behaviour is not particularly adult . |
| 他的举止行为还不太成熟。
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2. | The bear was a fully grown adult . |
| 那只熊已完全发育成熟。
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3. | He spent his adult life in Canada. |
| 他成年时期是在加拿大度过的。
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4. | The pupa is at an intermediate stage of development; it is intermediate between the egg and the adult butterfly. |
| 蛹是蝴蝶发育的中间阶段,介于卵和成虫之间。
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5. | Children unaccompanied by an adult will not be admitted. |
| 儿童无成人带领不得入内。
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