Playgrounds
n. 操场( playground的复数形式 ); 游乐场; 娱乐场; （某些集体聚会游乐的）园地
🗣️ 情景例句
Look in the real-estate section of Sunday's Times.
查一查星期天的 纽约时报 房地产版。
Today is Monday.
今天星期一。
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。