Log in
Channel
Levels
Pronunciation Challenge
Saved
Search Vocabulary
About Gears Studio results of 5,246
找不到喜歡的影片嗎?你也能自己匯入影片喔
Filter
Relevance
81:34
Douglas Mallette - Science, Engineering and Technology for Human Concern - Blindern, in Oslo, Norway
12
B1
74:19
NYC Tech Talk Series: How Google Backs Up the Internet
117
B1
1
...
111
112
113
114
115