hard.hack

n.（名詞）
A woody plant(Spiraea tomentosa) of eastern North America, having leaves with rusty down on the undersides and spikelike clusters of small, rose-purple flowers. Also called steeplebush
絨毛繡線菊：一種產(chǎn)于北美東部生有下側(cè)為鐵銹色的葉子和成串的呈玫瑰紫色的穗形小花的木本植物（絨毛繡線菊 繡線菊屬） 也作 steeplebush