ān​quán​mén

security door

安全门 安全門 ān​quán​mén
security door noun
General term for doors designed for safety and emergency use, including fire exits and theft-proof doors; used for evacuations during emergencies.

Frequency

Movie subtitles
0.270 per million appears in 0% of films
Written text
0.390 per million

Cross-References

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