full-grown

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌfull-ˈgrown American English, fully-grown British English adjective  ADULTa full-grown animal, plant, or person has developed to their full size and will not grow any bigger 〔动物、植物或人〕完全长成的；成熟的；发育完全的 A full-grown elephant may weigh 2,000 pounds. 成年大象的体重可达2,000磅。

Examples from the Corpus

full-grown• We could see them clearly then, a male and a female, full-grown adults.• A full-grown antelope was lying by the trail.• Full-grown female whales are about one-third the size of an average male.• And the name is quite accurate -- these cars are actually one-fourth the size of their full-grown kin.• One was a tall, handsome, oversized athletic fellow, who at thirteen already looked like a full-grown man.

ˌfull-ˈgrown adjectiveChineseSyllable  

a plant, full-grown has person developed or animal, Corpus to

full-grown
ˌfull-ˈgrown American English, ˌfully-grown British English adjective
a full-grown animal, plant, or person has developed to their full size and will not grow any bigger:
    A full-grown elephant may weigh 2,000 pounds.

full-grownBrE /ˌfʊl ˈɡrəʊn/ 🔊NAmE /ˌfʊl ˈɡroʊn/ 🔊 adjective(of people, animals or plants 人或动植物) having reached the greatest size to which they can grow and stopped growing 长足了的；长成的；成熟的