警報器

nounけいほうき · keihouki

1. Englishalarm (fire, burglar, railroad-crossing, etc.); sensor

   • ２階で朝早い時間に警報器が鳴っているのが聞こえた。The alarm was heard ringing at an early hour on the second floor.

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)