The difference between playing on the playground and playing on the playground.

On the playground and on/on the playground: \x0d\ means "on the playground" or "on the playground". The preposition in or on can be used in front of the playground, but in is commonly used, as listed below: \ x0d \ The children are all on the playground. They are playing baseball on the playground. \ x0d \ thesportsmeeetingwaldonfloor。 The sports meeting is held on the playground. \x0d\\x0d\■ Take in as an example: \ x0d \ 1. The little boys are lying on the playground. He is the king in the sports field, bullying other little boys. \ x0d \ 2。 He was knocked down by several boys on the playground. Some big boys used force against him on the playground. \ x0d \ 3。 The children are skipping rope on the playground. \ x0d \ 4。 The children are playing on the playground to vent their excess energy. \ x0d \ 5。 The children are running on the playground. The children are running around on the playground. \ x0d \ 6。 There are children playing on the playground. \x0d\■ Take this as an example: \ x0d \ the children's outdoor and playondaplayground at recent. During the break, the children rushed out to play on the playground. \ x0d \ theboyschalkedoutgoalbossonteplaygroundwall。 The boys drew goalposts on the playground wall with chalk. \x0d\■ Example of adding at: \ x0d \ hesupervedthechildrenathe playground. He looks after the children on the playground. This paper mainly examines the differences between prepositions at, in and on. X0d stands for place, place, location, etc. Pay attention to the following usage: \x0d\( 1) indicates the position of a point, and at is used. For example: \x0d\WeliveatNo87BeijingRoad. We live at 87 Beijing Road. The hospital is at the end of this street. "x0d" is used with the noun possessive case to indicate the place, and can also be used with at. For example: \x0d\atmysister's in my sister's house \x0d\atthedoctor's in the infirmary \x0d\(2) indicates space or scope. Such as: \ x0d \ What 'sinthebox? What's in this box? He lives in Paris with his wife. \x0d\ but sometimes they can be used interchangeably. For example: \ x0d \ themeetingwasheldat [in] hotel. The meeting was held in the hotel. \ x0d \ (3) Another difference between at and in is that at refers to a smaller place and in refers to a larger place. For example: \ x0d \ in Shanghai \ x0d \ at the station in Shanghai \ x0d \ However, big and small are relative, and sometimes at may be used in a big place, depending on the speaker's emphasis (for example, when a big place is regarded as a point). Our plane refueled in London. \ x0d \ Westoppedforan horatmoskowerwaytoparis。 On the way to Paris, we stopped in Moscow 1 hour. \x0d\(4) The preposition on is used in position, mainly on the surface of something. For example: What is a form? What's on the table? There is a wallet on the ground. Note: In some collocations, the preposition on is also used. He worked. Heworksonafarm。