形容詞 undeveloped:

1. not developed
2. undeveloped or unused
   同義詞：unexploited
3. (of real estate) not built upon or ready for building upon

1. The island is still undeveloped.
   這座島嶼未得到充分開發(fā)。
2. A small protuberance on a stem or branch, sometimes enclosed in protective scales and containing an undeveloped shoot, leaf, or flower.
   芽，萌芽莖或枝上小的隆起物，有時(shí)被包在保護(hù)性的介殼中，內(nèi)中有未發(fā)育的根、葉子或花
3. A corridor of undeveloped land, as along a river or between urban centers, that is reserved for recreational use or environmental preservation.
   綠色走廊沿河或在兩個(gè)城市中心區(qū)之間的由未開發(fā)土地形成的走廊，為市民休閑娛樂(lè)或環(huán)境保護(hù)而保留