单词:beam reversal
光束翻转;束反向
单词:beam reversal 相关文章
Voice 1 Welcome to Spotlight. I'm Ryan Geertsma. Voice 2 And I'm Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 A large yellow school bus
发表于:2019-02-14 / 阅读(37) / 评论(0)
环球英语 Spotlight