排序方式: 共有3条查询结果,搜索用时 0 毫秒
1
1.
In our first language we rarely have trouble in understanding listening.But,in a second language,it is difficult for us to deal with unfamiliar sounds,words and structures.It is even more difficult if we do not know the topic under discussion,or who is speaking to whom. 相似文献
2.
3.
1