单词：infrasound
音标：[,infrә'saund] ；
n. [物] 次声(风暴产生的低频音波)
词型变化：名词复数形式 : infrasounds
单词：infrasound 相关文章
Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Ryan Geertsma. 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 What can this music do to your s
发表于:2018-12-19 / 阅读(129) / 评论(0)
环球英语 Spotlight
环球英语 Spotlight
This tactic is still used today on the plains of Africa. If you look at various species of plant eaters, they live together in groups, and if one of them spots a predator, they can whinny or hoot and let the rest of the herd know, so that they can ke
发表于:2019-01-23 / 阅读(137) / 评论(0)
探索与发现2013年
探索与发现2013年