词汇	山画眉
释义	山画眉 shānhuàméi〔zoo.〕song thrush
随便看	underwater observation underwater observation boat underwater obstacle underwater obstruction underwater ocean current plants underwater oil storage underwater oil storage tank underwater oil tanks underwater oil transport underwater open-excavated tunnel underwater operating machine underwater operation under water operation underwater operational manipulator underwater operation group underwater operation light underwater operation network underwater operation ship Underwater Operation Unit underwater optical cable underwater optical communication underwater optical fiber cable underwater optics underwater options underwater ordance