playground, stadium, gymnasium, court

名詞 playground:

1. an area where many people go for recreation
   同義詞：resort area, vacation spot
2. yard consisting of an outdoor area for children's play

1. The children were out in the playground letting off steam.
   那些孩子在操場上玩，宣泄過剩的精力。
2. I would rather hoe in the garden than run about on the playground.
   我寧愿在花園鋤草，也不愿在運動場上跑來跑去。
3. He was bashed up in the playground by some older boys.
   有幾個年齡較大的男孩子在操場上對他動武。
4. There are more than five hundred people on the playground.
   運動場上有五百多人。
5. He sat on the playground listening to the distant croak.
   他坐在操場上，聆聽遠處的蛙鳴。
6. The children were taking turns on the slides in the playground.
   孩子們在操場上輪流滑滑梯。
7. The students are playing on the playground.
   學生們正在操場上玩。

play.ground

n.（名詞）
An outdoor area set aside for recreation and play, especially one containing equipment such as seesaws and swings.
操場：用于消遣和玩耍的戶外場地，尤指提供，如蹺蹺板和秋千等設備
A field or sphere of unrestricted pleasurable activity:
休養(yǎng)勝地：自由享樂活動的場所或范圍：
例句：
.Foreign affairs had been T.R.`s personal playground during his Presidency.(John Dos Passos)
.外交事物曾是T.R.在他的總統(tǒng)任期內的個人喜好.(約翰·道斯·帕索斯)