a tuft of (hair, feathers, grass, etc.); a skein of (yarn, thread, etc.); a hank of (wool, silk, etc.); a bob of (silk, hair, etc.)是什么意思_a tuft of (hair, feathers, grass, etc.); a skein of (yarn, thread, etc.); a hank of (wool, silk, etc.); a bob of (silk, hair, etc.)在线翻译_英语_读音_用法_例句