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(1)the smallest detectable sensation

(2)認知できる最小の感覚

(3)the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway

(4)ドアの敷居

(5)水平型の木材や石材の断片で、ドアの下に置いて、ドアを通過する際のサポートをする