音标：[,ʌndәdi'velәpt]
a. 开发不充分的, 不发达的, 发育不全的
在线英汉词典

underdeveloped的短语、例句：

underdeveloped adj 1 not fully grown or developed 未充分发育或发展的
underdeveloped muscles 不发达的肌肉. 2 (of a country, etc) not having achieved its potential in economic development （指国家等）经济不发达的.