The pronunciation between /r/ 和/l/
有些英语学习者呢，会经常把”road”发成“load”.发/r/时的问题就是舌头收不到位。
发/l/ 没有什么问题, 只要将舌头放到上牙龈上，再向下轻拨，发音就行了。
发/r /就难些了。口应该稍微张开，舌前部上卷，但不能碰到口腔的上部，舌后部放松，然后发音。注意，发这个音时，一定要卷舌。
Say following sentences loud to practice the sounds [r] [l] :
Ricky arrived at the rock at three o’clock. Rock and roll music is very good.
The rain wets the red ribbon.
Billy likes to lift a little doll and pencil The lilies beside the lake glow in the moon night.
The article is a load of rubbish.
