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
6:19
Educational
Introduction to Perfect Competition | Economics Explained
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
Daphne & Simon's First Kiss: Bridgerton Season 1 /Kissing Scene #bridgerton #netflix #subscribe
B1
2:48
Try Not To Laugh With The Graham Norton Show | Part One
B1
18:47
King Viserys' entrance into the throne room - House of the Dragon Scene S1E8
B1
3:24
Latest Trends in Artificial Intelligence in Biotechnology & Biology
B1
15:54
Dr. Green Confronts Ross About Rachel Getting Pregnant | Friends
B1
1:35
Federal Reserve Bank of St. Louis
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
