修理超过10辆自行车repair more than ten bicycles,

repair over than ten bicycles,

教我们很多有关中国的历史 teach us a lot about the history of China,

北京的变化 the changes in Beijing,

在过去一个多世纪里 during the past century,

in the past century,

over the past century,

对北京的过去和现在了解更多 learn more about Beijing's past and present,

听说 hear about,

hear of,

收到某人来信hear from somebody,

receive one's letter,

get one's letter,

receive a letter from somebody,

get a letter from somebody,

居住条件 living conditions,

 把某物归还给某人 return something to somebody,

使交流更方便，使得联系更容易 make communication much easier,

去国外 go abroad,

travel abroad,

study abroad,

在小学 at primary school,

互相保持联系 keep in touch with each other,

 和某人保持联系 communicate with somebody,

发生（有目的有计划的） take place,

偶然发生happen,

我的家发生了许多变化。 Many changes have taken place in my hometown,

 乘汽车，出租车或火车进出小镇旅游 travel to and from the town by bus, taxi or train,

青山环绕 green hills all around,

一条小河穿过镇中心 a river runs through the centre of town,

习惯了生活的变化 get used to the changes of life,

 习惯某事， 习惯做某事 get used to something,

be used to something,

get used to doing something,

be used to doing something,

陈先生的许多朋友 many of Mr Chen's friends,

独自 on one's own,

by oneself,

alone,

扔垃圾 throw rubbish,

到处是垃圾 rubbish everywhere,

品味舒适的生活 enjoy a comfortable life,

在一些大的开阔的地方 in some large open spaces,

搬进新公寓 move into new flats,

在他们业余时间 in their free time,

在镇里转转 travel around the town,

 在街道两边 on both sides of the street,

on each side of the street,

拥有他们自己的汽车 have their own cars,

have cars of their own,