overlap

名词 overlap:

1. a representation of common ground between theories or phenomena
   同义词：convergence, intersection
2. the property of partial coincidence in time
3. a flap that lies over another part
   同义词：lap

动词 overlap:

1. coincide partially or wholly
2. extend over and cover a part of

1. In printing, a small overlap where two colours meet to safeguard against a gap which might otherwise occur due to a lack of register.
   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。
2. A stitch made by inserting the needle at the midpoint of a preceding stitch so that the stitches overlap by half lengths.
   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
3. There is no question of overlap between the two courses.
   这两门课程之间不存在重叠的问题。

o.ver.lap

v.（动词）
o.ver.lapped,o.ver.lap.ping,o.ver.laps
v.tr.（及物动词）
To lie or extend over and cover part of.
重叠：位于或延至…上面且遮住…的一部分
To have an area or a range in common with.
与…部分相同：有一个共同的区域或范围
v.intr.（不及物动词）
To lie over and partly cover something.
互搭，重叠：位于某物上且部分地遮盖住它
To correspond in character or function:
部分相同：在特性或功能上相似、相当：
例句：
Their duties overlap.
他们的职责相同

Mathematics To have one or more elements in common. Used of sets.
【数学】 有与…共同的某物：有一个或更多相同的元素，用于指集合
n.（名词）

A part or portion that overlaps or is overlapped.
重叠部分：重叠或被重叠的部分
An instance of overlapping.
重叠的事例