jnd 基本解释 Just Noticeable Difference 刚刚能够看出来的差异 同首字母单词 jaa jaap [jɑːp] jab [dʒæb] jabalpur jabber ['dʒæbə] jabberwocky jabez jabiru ['dʒæbɪruː] jabot ['ʒæbəʊ] jaboticaba [dʒəbɒtɪ'kɑːbə] jacal [hə'kɑːl] jacamar ['dʒækəmɑː]