obstacle
(architecture) The underside of a roof that extends beyond the external walls of a building. / (by extension) Something that extends over or projects beyond.
plural of quarrian
(chemistry) Paper impregnated with turmeric and used as a test for alkaline substances, by which it is changed from yellow to brown.
Something that impedes, stands in the way of, or holds up progress, either physically or figuratively
倒れた木はハイキング道の大きな障害物で、私たちは迂回路を探さざるを得なかった。
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