Small flakes or specks of soot or ash

• Soot deposits settling on surfaces

细小的烟灰碎片或斑点

• 沉积在表面的煤烟颗粒

Plant diseases caused by smut fungi

• The smut fungi themselves, especially on grasses and cereals

由黑穗病菌引起的植物病害

• 指黑穗病菌本身，尤见于禾本科和谷物

Third-person singular of smut

• Stains with soot or dirt; infects grain with smut fungus

smut 的第三人称单数

• 以烟灰弄脏；使谷物染上黑穗病

A surname

• Notably Jan Smuts, South African statesman and general

姓氏

• 尤指南非政治家、将军扬·斯穆茨