ripe的反義詞是什麼

ripe的反義詞是 immature

例句

1、

His speech is immature， his vocabulary limited

他説話很幼稚，使用的詞彙有限。

2、

He was a young lad， very green， very immature.

他還是個毛頭小子，幼稚得很，一點都不成熟。

3、

Because of the immunity of the immature insects， it's important to spray regularly.

由於幼蟲對藥物有免疫力，因此必須經常噴藥。