Vast tracts of the country are wild and undeveloped.乡间大片大片的荒地尚未开发。Don't expose undeveloped film to light.不要把未冲洗的胶卷暴露在光照下.This is a block of undeveloped land.这是块未开发的土地....
Distributive characters of hypervelocity fragments impacting double - level target were researched.研究了超高速破片碰撞 双层 靶形成碎片云的分布特点.Reorganization is necessary on the distributive side of this industry.就这个行业的配销方面来说，重组是必要的。Nozic...