A sketchpad is a stack of paper fastened together for drawing — first tries, quick pictures, lines you may later throw away. The sheets are usually glued or stapled along one edge, like a notepad, so you can flip them or tear one off. Artists, designers, and children all use one.

A sketchpad素描本 is a stack of paper是一疊紙 fastened together釘在一起 for drawing用來畫畫 — first tries初稿，quick pictures隨手畫的圖，lines you may later throw away你之後可能會丟掉的線條。The sheets紙頁 are usually glued or stapled along one edge通常沿著一邊用膠或釘書針固定，like a notepad像便條本一樣，so you can flip them or tear one off所以你可以把它們翻開或撕下一張。Artists藝術家, designers設計師, and children小孩 all都 use one用它。

In shops you will also see sketchbook, and in ordinary talk people treat the two as almost the same. Though actually, a pad often feels like loose sheets stuck at the top, while a book is bound more firmly; nobody will make a fuss.

In shops在店裡 you will also see你也會看到 sketchbooksketchbook這個字，and in ordinary talk而在日常說法裡 people treat the two as almost the same大家把兩者當成幾乎一樣。Though actually不過其實，a padpad often feels like loose sheets stuck at the top常常給人一種頂端黏著散頁的感覺，while a book而book is bound more firmly則裝訂得更牢固；nobody will make a fuss不會有人為這個吵。

The word is simply sketch plus pad, and it is ordinary, not fancy.

The word這個字 is simply就是 sketchsketch plus加 padpad，and it is ordinary而且很普通，not fancy不花俏。

You draw on a sketchpad. You do not “sketchpad” as a verb in standard English. It is paper, not a computer tablet, even though so many “pads” now are screens.

You你 draw畫畫 on a sketchpad在素描本上。In standard English在標準英文裡 you do not你不會 use “sketchpad”把「sketchpad」 as a verb當動詞用。It is paper它是紙，not a computer tablet不是電腦平板，even though即使 so many “pads” now are screens現在很多「pad」都是螢幕。