【Native Speaker每日综合训练—40系列】【40-14】科技

lulalei

掌管 6        00:04:04.19        00:12:40.24
掌管 5        00:01:29.44        00:08:36.04
掌管 4        00:01:32.26        00:07:06.59
掌管 3        00:02:08.93        00:05:34.33
掌管 2        00:01:55.23        00:03:25.40
掌管 1        00:01:30.16        00:01:30.16