blue spruce
blue-spruce的词性:
n.(名词)
1. A Rocky Mountain tree (Picea pungens) having silvery-blue or blue-green, four-angled, needlelike leaves and cylindrical cones. It is extensively cultivated as an ornamental. Also called Colorado blue spruce
蓝云杉:一种落基山树木(锐尖北美云杉 云杉属) ,有银蓝或蓝绿色、四角形、呈针状的叶子和圆柱型球果。作为观赏植物被广泛种植 也作 Colorado blue spruce