累积lěijīto accumulate; to build up over timeHSK 7-9PronunciationlěijīExample sentence多年的经验在他心中累积成深厚的智慧。Duō nián de jīngyàn zài tā xīn zhōng lěijī chéng shēn hòu de zhìhuì.Years of experience accumulated in his mind into profound wisdom.Read and choose an answerOne fixed sampleExplore a sample