of something having a dusky brownish grey color 同义词：taupe,
例句与用法
1.
Using polarized light photography fix the dust mark of fuscous textile 用偏振光摄影固定深色纺织物上的灰尘痕迹
2.
The results indicated that the roots of nodules legume plants are soft and tint in color , whereas the roots of no - nodules legume plants are firm and fuscous 结果表明，结瘤豆科植物的根系松软，颜色较浅，为白色或土黄色；不能结瘤的植物根系坚硬，颜色较深，为黑色或深褐色。
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