学习规律：一对一对的学。 辅音：发音时受到气流的阻碍发出的音。 辅音分类：爆破音、摩擦音、破擦音、鼻音、半元音、舌...[作者空间]
Taking pictures & Tourist Excuse me, where are you going?...[作者空间]
Being lost & Asking for directions where we are now?Boy, ...[作者空间]
Asking for a refund Could I have a refund on this?I'm afr...[作者空间]
Asking for Directions Excuse me, Can you direct me to the...[作者空间]
Bird Basic need n.鸟She killed two birds with one stone by...[作者空间]
