adj.（土地）未加改良的，未耕种的

英文释义

a. Not improved; not made better or wiser; not advanced in knowledge, manners, or excellence.

a. Not used; not employed; especially, not used or employed for a valuable purpose; as, unimproved opportunities; unimproved blessings.

a. Not tilled, cultivated, or built upon; yielding no revenue; as, unimproved land or soil.