内鍵
- noun (common) (futsuumeishi)
内鍵
Noun
1
noun (common) (futsuumeishi)
internal lock
自宅を改築する際に、この部屋にだけ防音設備と内鍵を付けたんだ。
When my home had an extension built I only had this room fitted with soundproofing and an internal lock.