柯林斯词典fir /fɜː/ (firs) 1. N-VAR A fir or a fir tree is a tall evergreen tree that has thin needle-like leaves. 樅樹; 冷杉 返回 fir剑桥词典a tall evergreen tree (= one that never loses its leaves ) that grows in cold countries and has leaves that are like needles 冷杉，樅 返回 fir