A complex colonial siphonophore of the genus Physalia, of warm seas, having a bluish, bladderlike float with a broad saillike crest from which hang numerous long stinging tentacles.是什么意思_A complex colonial siphonophore of the genus Physalia, of warm seas, having a bluish, bladderlike float with a broad saillike crest from which hang numerous long stinging tentacles.在线翻译_英语_读音_用法_例句