•Lesson23 A new house I had a letter from my sister yesterday. She lives...

1.r 置不同 有卷不卷的区别 neighbour，part的r不卷；harbour early morning important ports...

唇形 舌位 开口度三个方面去练；单元音发音时按舌面隆起位置分为前元音，中元音，后元音，舌头的高点不同。

•Our neighbor, Captain Charles Alison, will sail from Portsmouth tomorro...