防空洞
Traditional form:
防空洞
Pinyin (reading):
fángkōngdòng
Definitions:
- air-raid shelter
Characters:
- 防 - to protect, to defend, to guard against
- 空 - hollow, empty, deserted, bare
- 洞 - cave, grotto, hole, ravine
Traditional characters:
防空洞
fángkōngdòng