(1)使……套入(push or be pushed together so that one part slides inside another，like the parts of closing telescope)[I，T+n]：The instrument can～small enough to fit into the box. 这个仪器可以套叠起来装进这个盒子里。The fishing-rod～s into its handle. 钓鱼杆可以套进把手里。

(2)(挤)压扁;压缩(crush or compress (an object) inward)[I，T+n]：The two buses/first two carriages of the train～d together. 两辆公共汽车相撞，车头撞扁了/火车发生碰撞，头两节车厢叠在一起了。

(3)缩短，精简(make shorter;condense)[T+n，T+n+prep (into)]：Three episodes have been～d into a single program. 这三段情节已经压缩成一个节目了。～several instructions into one sentence/200 years of history into one lesson 把指令压缩成一句话/把200年的历史压缩成一课书