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
互动模式
测验
正确！
不太对。
正确答案：
相关视频
Jean Ritchie sings "Lord Thomas and Fair Ellender" and "The Cuckoo" (1986) | Appalachian ballads
B1
11:56
The HARDEST part of game development | Devlog
B1
6:16
Artificial intelligence in healthcare: opportunities and challenges | Navid Toosi Saidy | TEDxQUT
B1
8:37
Trump & The Press: Last Week Tonight with John Oliver (HBO)
B1
28:30
Japan's most famous ghost story - Jeffrey Angles
B1
5:40
human1011
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
