immature
/ˌɪməˈtjʊə(r)/adjective
1- not fully developed发育未全的, 未成熟的：
many of the fish caught are immature
许多捕捉来的鱼尚未长成
immature fruit.
尚未成熟的果实。
1.1
- (of a person or their behaviour) having or showing emotional or intellectual development appropriate to someone younger（人, 行为）幼稚的：
his immature sense of humour.
他幼稚的幽默感。
派生词
immaturely
adverbimmaturity
noun词源
mid 16th cent. （in the sense 'premature', referring to death）： from Latin immaturus 'untimely, unripe', from in- 'not' + maturus 'ripe' （see MATURE）.