n (1)脚掌(底)(bottom surface of the human foot)[C]：from the～of the foot to the crown of the head 从头到脚;

(2)鞋(袜)底(bottom surface of a shoe，boot，sock，etc，often excluding the heel)[C]：leather～s 皮底;holes in the～of a sock 一只袜底上的洞;

vt 给鞋(等)上底 (put a sole on a shoe， boot，etc)[T+n，通常pass]：have one's shoes～d and heeled 上鞋底和钉后掌;The cobbler～d the shoes. 鞋匠给鞋换了鞋底。thick-～d shoes 厚底鞋