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Meaning of code red drill | Babel Free

Noun CEFR C1

Definitions

A drill practiced at schools where the lights must be turned off, windows covered, doors locked, and everyone must hide as if there were someone with a weapon at the school.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
See all C1 English words →

See also

code review code rot code signing code silver code smell code style

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