电力作为一种优质清洁的二次能源，在人们生活中起着不可缺少的作用。
As a clean energy of high quality, electric power plays an indispensable role in human life.
数量观念作为人类最基本的认知方式之一，在人们的日常生活中起着不可缺少的作用。
The concepts of number and amount are part of the most basic cognitive means of human beings, which play an indispensable role in People's Daily life.
手工焊接作为一种最基础的焊接方法，在当今的电子组装中仍然起着不可缺少的作用。
As the most basic welding method, manual welding still plays an important role in current electronic built-up.
应用推荐