以致: to such an extent as to, down to, up to...
常用: in common usage...
公顷: hectare...
治: to rule, to govern, to manage, to control, to harness (a river), to treat (a disease), to wipe out (a pest), to punish, to research...
援助: to help, to support, to aid, aid, assistance...
暂时: temporary, provisional, for the time being...
降价: to cut the price, to drive down the price, to get cheaper...
失明: to lose one's eyesight, to become blind, blindness...
心脏病: heart disease...
一流: top quality, front ranking...
