firs 是 fir 的複數firKK [ˋfɝ] /ˈfɝ/名詞1冷杉、樅樹Tall firs lined both sides of the mountain road.高大的冷杉排列在山路兩側。2杉木、冷杉木The shelves are made of cheap fir rather than oak.這些架子是用便宜的杉木做的,而不是橡木。