huī灰ashes; dust; lime, mortarHSK 7+ · Frequency 4.2Meaningsashes; dust; lime, mortarRelated words灰色灰尘灰心灰水灰产灰领灰姑娘灰菜灰粉灰烬灰暗灰汁Example sentences哇，里面好多灰。桌子上布满灰尘。墙面刷成了浅灰色。