Pronounced in the second tone, cháng
The word "场" here is used as a quantifier, for the number of times something has happened.
When read in the second tone, cháng:
1. A flat open space, mostly used for turning grain and rolling it. For example: to beat the field, to start the field, to pile up wheat on the field.
2, [Dialect] set; bazaar. For example: to catch up with the market.
3. A quantifier, used in the context of things going by.
For example: a penetrating rain, a great battle, an empty joy.
Expanded:
Field is pronounced in the third tone chǎng when:
1, A relatively large place that accommodates a certain need. For example: meeting place, playground, market, theater, square.
2. stage. For example: on the field, off the field
3, refers to some kind of activity range. For example: officialdom, fame and fortune, and playing the field.
4. The place where something happens. For example: scene, on the spot, present.
5. It refers to the whole scene of a performance or game. For example: opening, closing.
6, a smaller passage in a play, a piece of the story in each performance.
7. A quantifier, used in recreational and sports activities. For example, three ball games and a dance.
8, television receivers, the electron beam on a picture of odd or even lines to complete an interlaced scanning, called a field. Odd field and even field into a complete frame.
9, a fundamental form of material existence, with energy, momentum and mass, can transmit the interaction between physical objects. Examples include electric, magnetic, and gravitational fields.