追逐的意思是什么意思:（急）请各位帮我翻译一下．．～谢谢

Most of England and Wales have a cold,dry day.It is sunny at times.There is a little rain in the north in the afternoon.The wind is weak in the east,but quite strong in the west.At night,the temperature stays above zero in most parts of the southeast and Midlands.But in the north,the west and Wales,the temperature falls below zero.
In most parts of Scotland,the temperature is above zero in the day.But at night it falls below zero again,and the roads are again very dangerous of ice.There is also more snow in the night.The snow is very heavy in some places in the hills.
//For one hundred and fifty years,a dence network of railways has allowed people to travel and enjoy the beautiful scenery of Switzerland.But now,the first stage of the Swiss metro project begins with the stretch between Geneva and Lausanne.
The Swiss metro will travel through a vacuum tunnel one hun-dred meters underground,riding on an invidible magneyic field at speeds of up to five hundred kilometers per hour.
The metro line between the two cities is due to be completed by the year 2010.Today,the trip above ground lasts 34 minutes.Metro will cover that distance in 12 miuntes.Trains will depart every six miuntes.
In the latest stage,Swizerland will be crossed from border to borser,west to east and north to south.By the Swiss metro net-work,it is better and cheaper.