as we all know

就如我們都知道的那樣

in the world

在世界上

from west to east

從西到東

six kilometres long

六公里長(cháng)

in Africa

在非洲

in South America

在南美洲

any other

其它任何

in many ways

在許多方面

carry water

攜帶水

2003/12/11

第九課

underground railway

地鐵

go swiftly

平穩地行駛

open and close automatically

自動(dòng)地開(kāi)關(guān)

take a lot of passengers

搭乘很多乘客

in a hurry

匆匆忙忙地

had better

最好還是

cheap and convenient

又便宜又方便

a useful book

一本有用的書(shū)

prefer A to B

寧愿要Ａ而不是Ｂ

make progress

取得進(jìn)步

by the way

順便問(wèn)

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第十課