浅灰色的
4.any of various composite shrubs or herbs of the genus Artemisia having aromatic green or grayish foliage.
6.Old World annual having heart-shaped leaves and large seeds with short grayish lint removed with difficulty; considered an ancestor of modern short-staple cottons.
7.For hundreds of kilometers around the eruption and for perhaps days or weeks, pale-gray ash would fall like clumps of snow.
