wisp
noun [ C ] uk/wɪsp/ us/wɪsp/
wisp of cloud/smoke/steam 一缕云／烟／蒸汽
a small, thin line of cloud/smoke/steam
A blue wisp of cigarette smoke curled in the air. 香烟冒出的一缕青烟在空中缭绕。
wisp of hair, grass, etc. 一绺头发／一小束青草（等等）
a thin, delicate piece of hair, grass, etc.
A few wisps of hay still clung to her skirt. 她的裙子上仍然粘着几根干草。
soft wisps of baby hair 几绺柔软的婴儿头发