insert
/ɪnˈsɜ:t; ɪn`sət/ v[Tn, Tn.pr]
~ sth (in/into/between sth) put, fit, place sth into sth or between two things 插入、 放入、 置入或嵌於某物或某两物间
insert an additional paragraph in an essay, an advertisement in a newspaper, etc 在文章中加插一个段落、 在报上刊登一段广告
insert a key into a lock 把钥匙插进锁中
Insert your fingers between the layers and press them apart. 把手指插入两层之间, 用力将之分开.
insert / ˈɪnsɜ:t; `ɪnsət/ n ~ (in sth) thing inserted (esp an additional section in a book, newspaper, etc) 插入物（尤指书、 报等的插页）
an eight-page insert 八页的附加页.