复数： sketchbooks

I pull out my sketchbook and start doodling aimlessly .

我把我的素描，并开始漫无目的的涂鸦。

You can now duplicate all the sketchbook layers and merge them together .

此刻，您可以复制所有的写生层和合并在一路。

Sketchbook pro ( $ 8 ) : experienced artists can create masterpieces with this program .

sketchbookpro（8美刀）经验丰富的艺术家能够轻易地利用这个程序创造出杰作。

Your sketchbook ? Are you serious ?

你的素描本?不是开玩笑吧?

Sarah took her sketchbook and a pencil and started to draw and write .

莎拉握住她的写生簿和一支铅笔，开始写和画。