The video owner has disabled playback on external websites.
This video is no longer available on YouTube.
This video cannot be played right now.
Watch on YouTube
B1 中级
英语
20:14
Educational
Apple keynote: Privacy and security (Craig Federighi)
学习统计
B1
CEFR 等级
5/10
难度
评论 (0)
登录后评论
还没有评论。成为第一个分享想法的人！
互动模式
测验
正确！
不太对。
正确答案：
相关视频
Genetic code
B1
3:47
Asian parents & Hollywood DON'T MATCH | Best Jokes of Jimmy O. Yang!
B1
15:46
This video will change the way you watch INCEPTION
B1
11:07
This Terrifying Case Will Leave You Speechless - True Crime Documentary
B1
17:51
Me vs Grandma Cooking Challenge | Amazing Culinary Moments by Multi DO Challenge
B1
27:12
Web Summit
测验
正确！
不太对。
正确答案：
观看视频时会出现测验
记忆技巧
来自此视频
免费开始学语言
