1. catalog n. 目錄

The store sent us a new catalog of its merchandise.
商店寄給我們一份新的商品目錄DH0NdRZ4ftM85nY。

2. decay v. 腐朽,腐爛

Our powers decay in old age.
我們的精力在年老時衰退8-^MID#Sk7qRp,0#G。

3. transportation n. 交通運輸

The American simply regards a car as a means of transportation.
美國人把汽車純粹看成是一種運輸工具xT]cX7GpdKN_。

4. vanish v. 突然不見;消失

He seemed to vanish into thin air.
他不留痕跡地消失了U*7mvK64%ctC。

5. frontier n. 前線

Frontier life could be lonely and empty.
邊疆生活不用說是空虛寂寞的sMl)&TJX&m#sM;+。

6. innovation n. 革新,改革,創新

Continuous innovation is also necessary for success.
不斷的技術革新也是成功的必要條件)f[Wlc9&ibRu。