回针缝在先前缝的一针中间加缝的一针，以便使针脚的交错重叠为原来长度的一半 A stitch made by inserting the needle at the midpoint of a preceding stitch so that the stitches overlap by half lengths.
重叠的，交叉的某些昆虫休息时其翅膀重迭的或交叉的 Overlapping or crossing, as the wings of some insects when at rest.
这两门课程之间不存在重叠的问题。 There is no question of overlap between the two courses.
在彩色套印技术中，两种颜色接合处的一小点儿重叠，为防止由于套准不好而可能出现的间隙。参阅register。 In printing, a small overlap where two colours meet to safeguard against a gap which might otherwise occur due to a lack of register.