Sitka spruce

a large spruce that grows only along the northwestern coast of the United States and Canada; has sharp stiff needles and thin bark; the wood has a high ratio of strength to weight

米国およびカナダの北西沿岸にのみ生育する大型のトウヒ；鋭く硬い針葉と薄い樹皮を持ち、木材の比強度は高い