彩虹行动 (彩虹行動) cǎihóng xíngdòng

cǎihóng xíngdòng set phrase the two mass scuttling operations carried out by the German navy: the scuttling of the German fleet at Scapa Flow in 1919 and Operation Regenbogen, the scuttling of U-boats in 1945
Domain: History 历史 , Subdomain: Europe
Notes: (CC-CEDICT '彩虹行動')