形成: form; take shape; shape; formation; production; morph-; morpho-; plasto-; -plasia; -fy 短语和例子良好习惯的形成 the formation of good habits; 性格的形成 the formation of character; 云是悬在空气中的水滴形成的。 clouds ar
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
