schoolyard的用法和樣例：
例句
用作名詞 (n.)
- That fence is the limit of the schoolyard.
那堵圍墻是校園的界限。 - Our happy chatter lingered in the schoolyard.
校園里留下了我們的歡聲笑語(yǔ)。 - It is our duty to keep our schoolyard clean and tidy.
保持校園整潔是我們大家的責任。 - Boys and girls were playing in the schoolyard.
男孩和女孩們正在操場(chǎng)上玩。
