Chris was looking spruce in his stiff-collared black shirt and new short hair cut.
克里斯穿着那件衣领挺括的黑衬衫加上新剪的短发，看上去很整洁。
Despite less sensitive to mild drought stress in jack pine than in black spruce, stomata was more sensitive to moderate and severe stress in jack pine than in black spruce.
尽管北美短叶松的气孔对轻度干旱胁迫不如黑云杉敏感，但是它对中度及严重干旱胁迫的敏感程度却高于黑云杉。
The roof has a structure of cross-laminated timber - an engineered material made up from thin layers of bonded wood, which in this instance is locally sourced black spruce.
屋顶使用了由薄层胶合木组成的交错木结构，这取材于当地黑云衫的实木材料。
The roof has a structure of cross-laminated timber - an engineered material made up from thin layers of bonded wood, which in this instance is locally sourced black spruce.
屋顶使用了由薄层胶合木组成的交错木结构，这取材于当地黑云衫的实木材料。
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