experience什么时候复数,experience复数形式是什么

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.