playground
1.playground是“(学校里的)儿童运动场”,不指“游乐场”。
2.playground前面习惯用in,不用on。例如:The chidren were all in the playground.
playground
1.playground是“(学校里的)儿童运动场”,不指“游乐场”。
2.playground前面习惯用in,不用on。例如:The chidren were all in the playground.
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