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Meaning of First Happy Time | Babel Free

Noun CEFR C1

Definitions

The early phase of the Battle of the Atlantic during which German Navy U-boats enjoyed significant success against the British Royal Navy and its allies.

historical

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

first hit time First Husband first imperative first impression first in first out First Intermediate Period

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