吃透英语课本,提升在校竞争力
adj. 发育不全的;不发达的
名词:underdevelopment
a baby born with underdeveloped kidneys
肾脏先天发育不全的婴儿
The area remains underdeveloped.
这个地区依旧未充分发展。
underdeveloped country
不发达国家,发展中国家(等于developing country)
underdeveloped region
不发达区域