upsweeps

upsweeps读音音标

[ˈʌpswi:ps]

upsweeps意思解释

v.

向上曲，向上斜( upsweep的第三人称单数 )；

英英释义

Upsweep is an unidentified sound detected on the American National Oceanic and Atmospheric Administration\'s equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system SOSUS in August, 1991.