同义词

a. green，immature，unripe

反义词

a.   mature，ripe

参考例句

1. The unripened green fruit of pepper plants of the genus Capsicum.
青椒植物属的未成熟的绿色果实辣椒。
2. Allspice is the dried, unripened fruit of a small evergreen tree, the Pimenta Dioica.
多香果粉是一种小型常绿树-多香果辣椒-上的浆果干碾磨而成。
3. If they're not fully ripened, you can toss them in the brown bag along with your unripened kiwi fruit, peaches, and pears.
与未成熟的猕猴桃，梨和桃子一起置于牛皮纸袋催熟。

英英解释

adj.
  1. not fully developed or mature; not ripe

网络释义

unripened
未熟的; 未成熟;