1.There is a hole in the thumb of his mitten.

1.他的手的姆指上有个洞。

2.Cotton mittens will prevent the baby from scratching his own face.

2.棉的连指手婴儿不会抓伤自己的脸。

3.Protect your skin. Sunscreen, lip balm, hats, and mittens will protect sensitive skin from sunburn, windburn, and frostbite.

3.保护你的皮。防油，润唇膏，帽子和手可以很好的保护皮，黑，皮病或者冻伤。

4.The ratios of the length to width of the propodus of the fourth leg in the three kinds of mitten crabs were identical or near to those of taxonomic samples.

4.三种绒螯蟹的第四步足前节长宽比值，与其分类标本吻合或基本吻合。