小学英语人教精通（12版三起点）四年级上册Words in Unit 2

[00:01.00]Words in Unit 2第二单元单词
[00:03.92]class班级
[00:06.80]grade年级
[00:09.75]one一
[00:12.27]two二
[00:14.82]three三
[00:17.32]four四
[00:20.23]thirteen十三
[00:23.16]fourteen十四
[00:26.49]five五
[00:29.32]six六
[00:32.32]fifteen十五
[00:35.79]sixteen十六
[00:39.47]seven七
[00:42.59]eight八
[00:45.39]seventeen十七
[00:48.92]eighteen十八
[00:51.96]nine九
[00:55.14]ten十
[00:57.90]nineteen十九
[01:01.74]twenty 二十