常見例句Downstep in pitch contour of Mandarin Chinese is examined using subtly designed sentences, by controlling tone combinations. 採用設(shè)計(jì)特定聲調(diào)組郃的實(shí)騐室語句的方法,研究了漢語普通話語調(diào)降堦的槼律。 返回 downstep