IP屬地：山東
?Lesson23 A new house I had a letter from my sister yesterday. She lives...
1.r 置不同 有卷不卷的區(qū)別 neighbour，part的r不卷；harbour early morning important ports...
唇形 舌位 開口度三個(gè)方面去練；單元音發(fā)音時(shí)按舌面隆起位置分為前元音，中元音，后元音，舌頭的高點(diǎn)不同。
?Our neighbor, Captain Charles Alison, will sail from Portsmouth tomorro...