正确发音小技巧
/tr/发音时，舌尖先抵住上齿龈后部，然后突然松开，靠近硬颚气流随即泄出口腔，形成先破后擦的声音，这是一个清辅音。

/dr/发音时，口型与/tr/相同，不过，这是一个浊辅音。

发这两个音的关键是： 嘴巴向前撅，/tr/通过气流发声，而/dr/通过喉咙发声。

/tr/ tree try trim train trouble
/dr/ dream dry drink drain drum

唇舌训练：
I'm busy trimming the Christmas tree, can you get me some drinks.
/tr/ /tr/ /dr/
In my dream, all my troubles are solved after I drink that magical water.
/dr/ /tr/ /dr/
Would you please help me water the tree, it looks a little bit dry.
/tr/ /dr/
I'm trying my best to catch the train because my drum is still on it.
/tr/ /tr/ /dr/
Let's drain the pipe until it becomes dry.
/dr/ /dr/

单词中字母的发音规律

一般发/tr/的字母 tr true, travel, treat, trust
一般发/dr/的字母 dr dress, drift, drive, drop

请注意：

发音与朗读训练
在做以下朗读练习时，请注意黑体单词中画线字母的发音
If You Can 如果你能……

If you can dream—and not make dreams your master;
/dr/ /dr/
如果你是个追梦人——不要被梦主宰；

If you can think - and not make thoughts your aim;

如果你是个爱思考的人——光想会达不到目标；

If you can meet with triumph and disaster,
/tr/
如果你偶遇成功或挫折，

And treat those two impostors just the same;
/tr/
请以同样的冷静态度处之；

If you can bear to hear the truth you've spoken
/tr/
如果你能忍受你曾讲过的事实

Twisted by knives to make a trap for fools,
/tr/
被他人扭曲并用于去蒙骗傻子；

Or watch the things you gave your life to be broken,

或看着你用毕生去看护的东西被破坏，

And stoop and build them up with worn-out tools;

请俯身，用破烂的工具把它修补好；