单词:tonna melanostoma
单词:tonna melanostoma 相关文章
It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar
ENVIRONMENT REPORT – August 2, 2002: Navy Sonar and Ocean Animals By Caty Weaver This is the VOA Special English Environment Report. American officials have approved a plan for the United States Nav
[00:11.00]READING AND SPEAKING [00:12.96]Marine turtles are among the oldest animals on our planet. [00:17.29]They have lived in the earths oceans for over 100 million years, [00:21.94]but are now close to disappearing. [00:24.29]Of the seven existin
[00:11.00]READING AND SPEAKING [00:12.96]Marine turtles are among the oldest animals on our planet. [00:17.29]They have lived in the earths oceans for over 100 million years, [00:21.94]but are now close to disappearing. [00:24.29]Of the seven existin
(SOUNDBITE OF WHALE CALL) ARI SHAPIRO, HOST: Many animals that live in the ocean communicate with sound, like this humpback whale. (SOUNDBITE OF WHALE CALL) SHAPIRO: But these voices could soon be drowned out by powerful sonic booms set off in the oc
Mike: So Dusty, we were talking earlier, and you're telling that you're into marine biology, and that's kind of your background. So, tell me a little bit about why you like - what's your fascination with marine biology? Dusty: Well, the main thing is