长元音，口张大，舌尖平放后缩，舌尖离开下齿。
我们一起来练习/a:/音的发音:
请大家注意以下发音技巧:
长元音，口张大，舌尖平放后缩，舌尖离开下齿
发/a:/音的字母组合有以下三种，我们一起来朗读下列单词，请注意/a:/音的发音：
mp3下载
ar： start large park dark card army market
a： afternoon fast after halfback
ear： heart
该跟读下列句子，注意句中单词发音。
1.That afternoon at the football practice, he lines everybody up in two in two teams.
2. When they all start chasing me, I run fast as I can.
3. We'd run a lot of races before, to see how fast we could run,but i get a lot faster when I'm being chased,I guess.
4 Anyway, I become a lot more popular after that, and the other guys on the team started to be nicer to me.
5.One of the goons comments that i am the largest high school halfback in the entire world.
