jack pine
jack-pine的词性:
n.(名词)
1. An evergreen tree (Pinus banksiana) of northern North America, having soft wood and short, twisted needles grouped in fascicles of two. Also called scrub pine
短叶松:生长在北美洲北部的一种常绿植物(美国短叶松 松属) ,长有软质的木材,缠绕在一起的短针叶每两个成一簇 也作 scrub pine