一天一点会员口语群5月招生火热进行中，详情请点击链接：
招生简章｜"一天一点"会员口语群5月招生继续！
Welcome to Daily Tips on Learning English. Today’s tip is on the pronunciation of the letter “t”.
Of course the letter “t” is usually pounced “t”. But you may have noticed that in fluent speech, native speakers sometimes pronounced the “t” as “d”. That happens when the “t” comes between two voiced sounds（浊音）.
一般情况下，“t”发“t”的音。但你也许能注意得到，外国人在说的很快时，会将't'发成'd'的音。一般't'的两边都是发浊音的情况下，会浊化为'd'。
Do you know what sounds in English are voiced? Well, there’re 15 voiced consonant sounds(浊辅音)in English. /b/, /d/,/g/,/m/, /n/, /ng//v/,/z/, /δ/,/l/, /r/, /d?/,/?/,/y/, /w/.
你知道什么音是浊音吗？英语中浊辅音有/b/, /d/,/g/,/m/, /n/, /ng//v/,/z/, /δ/,/l/, /r/, /d?/,/?/,/y/, /w/.
Also, all vowel and diphthong sounds in English are voiced. So let’s look at some examples of words in which the “t” may be pronounced “d”.
元音、双元音都是浊音，我们来看看一些例子。
No.1 “matter”. “matter” is often pronounced “mader” as in “What’s the matter?”
No.2 “atom”. “atom” is often pronounced “adom” as in “The first atom bomb was dropped on Hiroshima.”（第一颗原子弹落在了广岛。）
No.3 “twenty”. “twenty” is often pronounced “twendi” as in “That will be twenty dollars, please.” （请给我二十美元。）
No.4 “little”. “little” is often pronounced “liddle” as in “He got a little angry.”（他有些生气。）
No.5 “city”. “city” is often pronounced “cidi” as in “Did you grow up in the city or the country?”（你在城市还是农村长大？）
No.6 “butter”. “butter” is often pronounced “buder” as in “Pass the butter, please.”（请把黄油递过来 。）
When people speak slowly or emphatically, however, they usually pronounce the “t” like “t”, not like “d”.
但当人们说的很慢或表强调时，通常发的更像't' 而不是'd'
Also, a “t” does not sound like “d” when it comes before astressed vowel（重读元音）as in “return”.
当't'后有一个重读的元音时，‘t’ 发音也不像'd'。
This has been today’s daily tip on learning English. Tune in tomorrow for another tip.
一天一点会员口语群5月招生火热进行中，详情请点击链接：
招生简章｜"一天一点"会员口语群5月招生继续！
李延隆和屈慧贞目前开设的录播课程（更新版本）
正品代购 澳洲直邮 批发零售均可！
用“分答”让李老师为你专业答疑解惑
对移民或留学感兴趣的请看这里
招聘在线英语口语纠音教师
李延隆，新东方教育集团首届十大演讲师之一，“相信未来”“梦想之旅”大型公益讲座全国巡讲师，集团20周年功勋教师奖得主，集团教学培训师，集团北美考试管理中心演讲师，北京新东方学校元老级资深名师，首届赴美国访问团成员，在“新东方在线”及“步步高学习机”录制的系列英语考试和《新概念英语》课程深受广大英语学习者喜爱，现旅居澳大利亚美丽的悉尼。
欢迎关注我的新浪博客：https://blog.sina.com.cn/liyanlong76
欢迎关注我的新浪微博：@李延隆老师
‘一天一点’口语俱乐部
微信公众号：李延隆老师
个人微信：liyanlong3
一天一点，口语不难！
