🧩 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
We want to be sure that you're responsible
我们要确定你是肯负责的，
It'll take a few more weeks for the bone to mend.
还需要花两三周骨头才能复原。
Libraries made education possible, and education in its turn added to libraries: the growth of knowledge followed a kind of compound interest law, which was greatly enhanced by the invention of printing.
藏书使教育成为可能，而教育反过来又丰富了藏书，因为知识的增长遵循着一种“滚雪球”的规律。印刷术的发明又大大提高了知识增长的速度。