Words in unit 2 [00:04.02]第二单元的单词 [00:08.05]hen [00:08.05]母鸡 [00:08.05]chick [00:08.65]小鸡 [00:09.25]duckling [00:10.19]小鸭子 [00:11.13]geese [00:11.91]鹅（复数） [00:12.70]gosling [00:13.70]小鹅 [00:14.71]rooster [00:...
