步行能用“By foot”表示吗？ 但 步行为什么不用介词by？

on foot \u548cby foot \u7684\u533a\u522b\u548c\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f

1\u3001\u8bfb\u97f3\u4e0d\u540c
on foot \u82f1 [ɔn fut] \u7f8e [\u0251n fʊt]
\u5f92\u6b65;\u6b65\u884c\uff0c\u8fdb\u884c\u8d77\u6765\uff0c\u5728\u7b79\u5212\u4e2d;\u5f92
\u4f8b\u53e5\uff1aI go to school usually on foot.
\u6211\u4e0a\u5b66\u901a\u5e38\u662f\u8d70\u8def\u53bb\u3002
by foot \u5f92\u6b65
\u82f1 [baɪ fʊt] \u7f8e [baɪ fʊt]
\u4f8b\u53e5\uff1aSorry, the elevator doesn't work, you have to go upstairs by foot.
\u5bf9\u4e0d\u8d77\uff0c\u7535\u68af\u574f\u4e86\uff0c\u4f60\u53ea\u597d\u8d70\u4e0a\u697c\u53bb\u4e86\u3002
2\u3001\u7528\u6cd5\u4e0d\u540c
by foot\u662f\u4e00\u79cd\u52a8\u8bcd\uff1b\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6211\u51c6\u5907\u6b65\u884c\u53bb\u54ea\u91cc\uff0c\u7528byfoot\u3002
\u4f8b\u53e5\uff1aAnd even you are so old that you can't move by foot,
you also miss her ( or him).
\u76f4\u5230\u4f60\u8001\u4e86\uff0c\u8d70\u4e0d\u52a8\u4e86\uff0c\u4f60\u4ecd\u7136\u8bb0\u7740\u5979\uff08\u6216\u4ed6\uff09\u3002
on foot\u8868\u793a\u540d\u8bcd\uff1b\u4e00\u822c\u73b0\u5728\u65f6\u7528on foot\u3002
\u4f8b\u53e5\uff1aI used to go to work on foot.
\u6211\u5f80\u5e38\u90fd\u662f\u6b65\u884c\u53bb\u4e0a\u73ed\u3002

\u6269\u5c55\u8d44\u6599\uff1a
foot \u7684\u540c\u4e49\u8bcd
1\u3001claw n. \u722a\uff1b\u6307\u9e1f\u3001\u517d\u3001\u6606\u866b\u7b49\u950b\u5229\u800c\u5f2f\u66f2\u7684\u722a\u5c16\u3002
\u4f8b\u53e5\uff1aThe claws of a tiger are very sharp.
\u8001\u864e\u7684\u722a\u5b50\u975e\u5e38\u950b\u5229\u3002
2\u3001hoof n. \u8e44\uff1b\u6307\u9a6c\u3001\u725b\u7b49\u52a8\u7269\u7684\u8e44\u5b50\u3002
\u4f8b\u53e5\uff1aThe teacher asked his pupils how many hooves a cow has.
\u8001\u5e08\u95ee\u4ed6\u7684\u5b66\u751f\u4eec\u4e00\u5934\u725b\u6709\u51e0\u53ea\u8e44\u5b50\u3002
3\u3001paw n. \u722a\u5b50\uff1b [\u975e\u6b63\u5f0f]\u624b
\u6307\u52a8\u7269\u5305\u62ec\u722a\u5c16\u5728\u5185\u7684\u722a\u5b50\uff0c\u6bd4\u8f83\u8f6f\uff1b\u4e5f\u53ef\u55bb\u6307\u4eba\u7684\u624b\uff0c\u4f5c\u6b64\u4e49\u89e3\u65f6\u5e38\u542b\u8d2c\u4e49\u3002
\u4f8b\u53e5\uff1aHe doesn't know how to paint a lion's paw.
\u4ed6\u4e0d\u77e5\u9053\u8be5\u5982\u4f55\u753b\u72ee\u722a\u3002

by\u7684\u610f\u601d\u6307\u4f7f\u7528\u5916\u90e8\u5de5\u5177\u7684\u5e2e\u52a9\u4e0b\u5b8c\u6210\u67d0\u4ef6\u4e8b\uff0c\u5f3a\u8c03\u4e0d\u662f\u4eba\u8eab\u4e0a\u7684\u90e8\u4f4d\uff0cby bus \u4f9d\u9760\u5927\u5df4\u8f66\uff0cby taxi \u9760\u5750\u51fa\u79df\u8f66\uff0cby plane \u9760\u4e58\u5750\u98de\u673a\uff0cby other one's help \u4f9d\u9760\u5176\u4ed6\u4eba\u7684\u5e2e\u52a9\uff0c\u5f3a\u8c03\u5916\u529b\u7684\u4f5c\u7528\uff0c\u6b65\u884c\u7684\u8bf4\u6cd5\u4f60\u60f3\u7528by\u4e5f\u53ef\u4ee5\u8bf4by foot

用ON FOOT，只有是交通工具时，才用BY
如BY BIKE ,BY BUS 等

BY BIKE 因为车可以和你的身体分开
BY FOOT 你的脚要是能和你的身体分开也可以,BY

by foot用法不对应该用on foot正如23898228所说的！车轮可以与车身分开，但你的脚不能与你的身体分开！！！！～～～～

是on foot ，应该没有by foot的说法

不可。on foot

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