形容词
1. 发育未全的;不成熟的
Something or someone that is immature is not yet completely grown or fully developed.
1. (of birds) not yet having developed feathers
e.g. a small unfledged sparrow on the window sill
Synonym: unfledged
2. not yet mature
3. characteristic of a lack of maturity
e.g. immature behavior
4. not fully developed or mature
not ripe
e.g. unripe fruit
fried green tomatoes
green wood
5. (used of living things especially persons) in an early period of life or development or growth
e.g. young people
Synonym: young