她的拇指指甲被门夹了一下，现在很疼。

She caught her ___thumbnail in the door and it hurts now.

网页上显示的是缩略图，点击可以查看完整照片。

The webpage shows ___thumbnails, click to see the full photos.

她在笔记本的角落里画了一个简略的草图。

She drew a ___thumbnail sketch in the corner of her notebook.