experience什么单复数

experience作“(一次)经历；体验”解时,是可数名词；作“经验”解时,是不可数名词.

例如：It was her first experience of living alone.

那是她第一次单独生活.

He has many interesting experiences in his life.

他的一生中有很多有趣的经历.

She has years of experience in teaching.

她有多年的教学经验.