aid是可数还是不可数.给个做n词的例句
问题描述：
aid是可数还是不可数.给个做n词的例句
答
不可数.
The project was completed with the aid of several students.
The work was done with the aid of a computer.
The government has given millions of dollars in economic aid to these nations.
She applied for financial aid in order to go to college.
The diagram is provided as an aid to understanding.
The computer is an aid to keeping costs down.
He teaches art with visual aids