hair pencil的用法和样例：
例句
用作名词 (n.)
- Marguerite possessed a marvelous portrait of herself by Vidal, the only man whose pencil strokes could capture her to the life.
玛格丽特有一幅她自己的画像，是维达尔的杰作，也唯有他的画笔才能把玛格丽特画得如此惟妙惟肖。 - This work represents a stone-rimmed terrace as a boy grooms the hair of a black horse.The brushwork is quite fine fine and taut, and the details were finely rendered.
本幅石台临池，圉童以刷整理马毛，黑色骏马雄健肥壮，画笔极细劲，鞍鞯等物描绘极精。
