介绍:
Nick老师微信:1290712928
美式音标：[ɔi] 国际音标：[ɔı]
单词训练
1. voice 2.join 3. point
4. toy 5. boy 6. destroy
句子训练
1. Roy enjoyed the boy's voice.
2. I was annoyed at the boy for spoiling the toy,which belonged to Joy.
