abysmal

形容词 abysmal:

1. very great; limitless
2. so deep as to be unmeasurable
   同义词：abyssal, unfathomable

1. Although there is an abysmal lack of educational software, the number of computers in schools expands rapidly.
   虽然教学上用的软件十分紧缺，学校的计算机数量却迅速增加。