People-watching
观察人
🧩 词语组成解析
vt. 观看, 守望；监视, 注意（watch现在分词）
🗣️ 情景例句
A man can develop his mind by reading.
读书增进个人的智慧。
This metal is harder than that one.
这种金属比那种硬。
In the tree there is a bird.
树上有一只鸟。