已知的为容忍土地贫瘠和气候寒冷，白杨树闪光黄色对它们的白色树皮在即将来临的冬天的一个明确无误的符号。
Known for tolerating poor soils and cold climates, aspens flash yellow against their white bark in an unmistakable sign of coming winter.
已知的为容忍土地贫瘠和气候寒冷，白杨树闪光黄色对它们的白色树皮在即将来临的冬天的一个明确无误的符号。
Known for tolerating poor soils and cold climates, aspens flash yellow against their white bark in an unmistakable sign of coming winter.
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