practice一般情况下不可数。 当“实践”来讲时是不可数的。当业务或职业时是可数的。
practice：n.实践;实际行动;通常的做法;惯例;常规;惯常做的事;习惯;习俗。
扩展资料
There are four GPs in our local practice.
在我们地区诊所有四个全科医生。
It takes a lot of practice to play the violin well.
拉好小提琴需要多加练习。
She does an hour's piano practice every day.
她每天练一小时钢琴。
It is good practice to supply a written report to the buyer.
向买主提供书面报告是诚信的做法。
The comparison shows considerable disagreement between theory and practice.
这一对比表明理论和实践之间有相当大的出入。