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
葡萄牙语
6:59
Educational
DNA Cloning and Recombinant DNA | Biotechnology | Biology | Khan Academy
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
Alice no país das maravilhas (2010) - Rainha de Copas "cortem a cabeça"
B1
1:28
WAGNER MOURA VIRALIZA APÓS RESPONDER A DESRESPEITO NO CRITICS CHOICE AWARDS 2026 | PLANTÃO
B1
17:04
Kenny Rogers & Bee Gees • You And I (Tradução)
B1
4:39
O Pagador de Promessas OFICIAL -- Parte II
B1
7:45
Felipe Rodrigues - Melhor Lugar (Letra/Cifra)
B1
5:42
Khan Academy Brasil
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
