key words: 8 Design;patent;introduce;develop appear; born;invent;create Vocabulary: paper clip:回形针，曲别针，纸夹 Patent:专利（权）；专利证 *Adhesive:able to stick fast to a surface or object;sticky可粘的，粘的 Post-it::记事贴，便利贴 Primer:底漆；打底剂，底层涂料C: ❖ key words: ❖ Design; patent; introduce; develop appear; born; invent; create ❖ Vocabulary: paper clip: 回形针，曲别针，纸夹 ❖ Patent：专利（权）；专利证 ❖ Adhesive：able to stick fast to a surface or object; sticky可粘的，粘的 ❖ Post-it： 记事贴，便利贴 ❖ Primer：底漆;打底剂,底层涂料