1. A full-grown elephant can weigh over 6,000 kilograms.
    一头成年大象能重达六千多公斤。

1. 发育完全的：full-fledged 完全的 | full-grown 发育完全的 | full-length 全长的

2. 发育完成的：full?factor experimental design 全因素实验设计 | full?grown 发育完成的 | Full?Range Picture Vocabulary Test 全幅图词汇测验

3. 长足的/成熟的：full-fledged /羽毛丰满的/成熟的/ | full-grown /长足的/成熟的/ | full-length /全长的/等身的/全身长的/

4. 长足的：full-fledged 羽毛丰满的 | full-grown 长足的 | full-length 全长的

1. (动物或植物)发育完全的，完全长成的，成熟的
    An animal or plant that is full-grown has reached its full adult size and stopped growing.

    e.g. ...a full-grown male orang-utan.
           成年的雄性猩猩

1. (of animals) fully developed

    e.g. an adult animal
           a grown woman

    Synonym: adultbigfully growngrowngrownup