🧩 词语组成解析
walker
['wɔ:kə]
n. 散步的人;（帮助小孩学走路用的）学步车;助步车;助行架;
smith
[[smiθ]]
n. 铁匠, 金属品工匠\\n[机] 锻造工, 上手
🗣️ 情景例句
It's a book of pictures.
这是一本摄影集。
I don't buy it.
我才不信邪。
A few moments later
过了一会儿