Word data
HSK
Not in HSK
FREQUENCY
Unknown
彩虹行动 cǎi hóng xíng dòng
German WWII plan to sink own navy
Word data
| HSK | Not in HSK |
| Frequency | Unknown |
Definitions
- 1. 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