重點講解：
1. put together
裝配；組裝；拼合；組合；
eg. He took it apart brick by brick, and put it back together again...
他一塊磚一塊磚地把它拆開，然后又把它組合起來XR03iPtA+)GA=。
eg. The factories no longer relied upon a mechanic to put together looms within the plant.
工廠不再依靠機修工在車間里組裝織機w)!O,V4B#wv+T7。
2. from scratch
從零開始；從頭做起；白手起家；
eg. Building a home from scratch can be both exciting and challenging.
建立一個全新的家庭既讓人興奮又富于挑戰(zhàn)#zZAJ@Seb0。
eg. Hong Kong's manufacturing industry did not start from scratch in the post-war period.
戰(zhàn)后，香港制造業(yè)的興起并非從零開始2PJ;6=&*K%I。
3. fall into
屬于；被劃分為；
eg. The problems generally fall into two categories.
問題大致分成兩類lr.RlTYoCd4+X^M_。
eg. Both women fall into the highest-risk group.
兩個女人都屬于高危人群V1,rK=wG!j7M@T*aSFvr。