expression, noun
dragon's teeth
Military term for anti-tank obstacles resembling a row of pointed teeth. Also used in mythological contexts.
戦車の侵入を防ぐため、国境に竜の歯が設置された。
Dragon's teeth were installed at the border to prevent tank incursions.
神話では、竜の歯をまくと戦士が生まれると言われる。
In mythology, it is said that sowing dragon's teeth gives birth to warriors.