铅: 铅名词1.(金属元素) lead (pb) 短语和例子废铅 scrap lead; 含银铅 argentiferous lead; 软铅 soft lead; 重得像铅。 it's as heavy as lead.2.(铅笔心) lead (in a pencil); black lead
棉: Ⅰ名词1.(草棉和木棉的统称) a general term for cotton and kapok2.(棉花) cotton 短语和例子原棉 raw cotton; 皮棉 ginned cotton; 籽棉 unginned cottonⅡ形容词(填棉絮的) cotton-padded; quilted 短语和例子棉大衣 cotton-padded overcoat