purification/ˌpjuərɪfɪˈkeɪʃn; ˌpjʊrəfə`keʃən/ n[U](action of) purifying 净化; 提纯; 涤罪 purification of water 水的净化 the purification of souls 心灵的净化.
牛津英汉双解词典