Words in unit 4 [00:03.77]第四单元的单词 [00:07.55]there [00:08.28]那里；在那里 [00:09.01]corner [00:09.59]角；角落 [00:10.16]project work [00:11.00]项目制作 [00:11.83]study [00:12.28]研究；学习 [00:12.72]plant [00:13.24]植物...
