(5) Schoolyard 操场
Schoolyard-操场是一个大的概念，playground-游乐场、soccer field-足球场、basketball court-篮球场都可能是schoolyard-操场的一部分。
All Fourth Grade students, go to the schoolyard.
全体四年级同学到操场上集合。
The students are having a flag raising ceremony on the schoolyard.
学生们正在操场上举行升旗仪式。
(6) Field：运动场，有草坪，外圈可能有跑道
Applicable sports 适用运动：soccer-足球，football-美式足球，baseball-棒球，hockey-曲棍球等
The soccer field is soggy after the rain yesterday.
昨天的一场雨后，足球场湿透了。
(7) Court: 球场，硬地
Applicable sports 适用运动：basketball-篮球，volleyball-排球，tennis-网球，badminton-羽毛球，squash-壁球等
Go find your place on the court. We're about to start the game.
赶快到球场找到你的站位。咱们马上要开始比赛了。
