lay 指小心地把人或物平放或横放，侧重动作安稳。
place 较正式用词，指把某物放在一个正确的位置上，侧重动作的正确。
put 普通用词，含义较广泛。指把人或物置于某处，并将其留在该处。
set 普通用词，指为了某种目的而将人或物放在一定位置上。指物是多指立着放。
参考例句
1. She placed the books in order on the shelf. 她把书按顺序摆在书架上。
2. I know a good place to hire bikes if you want. 你想租自行车的话我知道一个租车的好地方。
3. I know the place well, so let me be your guide. 我非常熟悉那个地方，所以让我做你的导游吧。
英英解释
n.
1. a point located with respect to surface features of some region
2. any area set aside for a particular purpose
3. an abstract mental location
4. a general vicinity
5. the post or function properly or customarily occupied or served by another
6. a particular situation
7. where you live at a particular time
8. a job in an organization
9. the particular portion of space occupied by something
10. proper or designated social situation
11. a space reserved for sitting (as in a theater or on a train or airplane)
12. the passage that is being read
13. proper or appropriate position or location
14. a public square with room for pedestrians
15. an item on a list or in a sequence
16. a blank area v.
1. put into a certain place or abstract location
2. place somebody in a particular situation or location
3. assign a rank or rating to
4. assign a location to
5. to arrange for
6. take a place in a competition; often followed by an ordinal
7. intend (something) to move towards a certain goal
8. recognize as being; establish the identity of someone or something
9. assign to (a job or a home)
10. locate
11. estimate
12. identify the location or place of
13. make an investment
14. assign to a station
15. finish second or better in a horse or dog race
16. sing a note with the correct pitch
