vt 插(放、嵌)入，加进(put，fit，place sth into or between)[T+n，T+n +prep(in/into/between)]：The book would be improved by～ing another chapter.再加进一章这本书就会更完善了。～the money (the coins) in the parking meter/in the slot 把钱(硬币)塞入停车计时器里/投币孔里;～a word in a line/a letter into the misspelled word 在一行里插入一个词/在拼错的词里加进一个字母;～a word between two words在两个词之间插入一个词;～the letter into an envelope/the key into the lock/a bookmark in the book 把信放进信封/把钥匙插进锁孔/把书签夹进书里;～an advertisement in a newspaper 把一则广告插在报纸里面;～a comment in the margin 在空白处插入评论;

n 插入物，插页(sth inserted，eg an added passage in a writing，an advertisement in a newspaper)[C]：advertising/ad～s 广告插页;a four-page～四页内容的插页;

→in′sertion n插入(之物)