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
Unlock AI-Powered Learning Tools
Sign up to access powerful tools that help you learn faster from every video.
工程师从琴弦中找灵感 世界第一条转台智能生产线竟是这样诞生的！《大国重器Ⅱ》第7集【CCTV纪录】
Learning Stats
CEFR Level
Difficulty
Practice with Exercises
Generate vocabulary, grammar, and comprehension exercises from this video
Comments (0)
Login to CommentSign up to unlock full features
Track progress, save vocabulary, and practice exercises
Interactive Mode
Quiz
Correct answer:
Related Videos
刺激!在北京街頭和大陸人聊兩岸話題｜街訪北京路人對台灣的印象｜最想和台灣人說的一句話｜彼此的刻板印象與誤解｜最知名的台灣美食竟然是?｜這些台灣影視明星歌手是兩岸共同的回憶｜中國大陸vlog
拥有越多越幸福？风靡欧美的极简主义，颠覆了我30年的认知！【心河摆渡】
School Supplies in Chinese Kids⎮Sing and Learn Mandarin⎮Hanyu Pinyin⎮学中文 ⎮学校 ⎮文具⎮儿童儿歌⎮汉语拼音
参观我们在美国的房子｜House Tour 🏠
《国家记忆》《“重庆”号起义》系列 第一集 黎明起航 20181025 | CCTV中文国际
CCTV纪录
Quiz
Correct answer:
Quizzes appear as you watch the video
Memory Tip
From this video
Start learning languages for free
