亜酸化窒素: nitrous oxide

山中: being in the mountains or woods

十三日: thirteenth day of the month

power, force, strength

strength; power; force / (physics) force / ability; capacity / effort / (tarot): Strength

power, strength

physical strength / (Buddhism) capability, especially mystical power / (Buddhism) the suchness of ability, one of the Ten Suchnesses in Mahayana Buddhism / short for 力者 (rikisha): a strong person

strength, power

(idiomatic) to be dependable, to be helpful

mountainous area, the mountains