Log in
Channel
Levels
Pronunciation Challenge
Save&Review
Search Vocabulary
About unmanned results of 142
找不到喜歡的影片嗎?你也能自己匯入影片喔
Filter
Relevance
46:20
Annie Jacobsen: "The Pentagon's Brain: An Uncensored History of DARPA" | Talks at Google
110
B1
57:26
Fuel cell
60
B2
74:51
Boeing Earnings Call Q2 2018
61
B1
52:50
Week 1, continued
1308
B1
1
2
3
4