speck

1. N-COUNT A speck is a very small stain, mark, or shape. 汙點; 斑跡[oft N 'of' n]

He has even cut himself shaving. There is a speck of blood by his ear. 他甚至在刮臉時劃傷了自己。他耳邊有一點血跡。

2. N-COUNT A speck is a very small piece of a powdery substance. (粉狀物的) 微粒[oft N 'of' n]

Billy leaned forward and brushed a speck of dust off his shoes. 比利頫身刷掉鞋上的一點灰塵。