第三人称复数：fir trees
1. 杉树：public spaces: 公共场所 | fir tree: 杉树 | fake: 假的
2. 冷杉树：圣诞树:Christmas tree | 冷杉树:fir tree | 圣诞卡:Christmas card
1. The " king fir " has become a symbol of Xishui and has been designated by many forestry experts as a rare tree.
2. danci.911cha.com
2. In 1510, children first decorated a fir tree in the city's town square.
noun
1. fir tree的解释
1. any of various evergreen trees of the genus Abies
chiefly of upland areas