Unit 3 Sea Exploration
form the foundation of构成……的基础
early civilisations早期文明
tale n人生信条及座右铭．故事；叙述
arch for寻找
merchants and explorers商人和探险家
t sail 起航；开航
find one's way找到路
become known as清华大学院系作为……而出名
extend vt.扩展；使伸长；延长
centre around以……为中心
negotiate trade deals协调贸易问题
awareness of意识到
over the centuries几个世纪以来
develop relations with发展与……的关系
ven large fleets七支大型船队
behold refusvt.看；看见
in a league of one's own独领风骚
under the command of在……的指挥下
African royal families非洲 王 室
in return作为报答
spice n．(调味)香料
withdraw from退出；撤回
channel n．航道
reach out across the a远渡重洋
the 21st Century Maritime
Silk Road 21世纪海 上 丝 绸之路
encourage cooperation and trade鼓励开展合作和贸易
strengthen the bonds加强联系
in years to come在未来几年
invested billions投资数十亿
for the benefit of为……的利益
学习字母
cultural exchange文化交流
many other places left很多其他剩余的地方
expeditions to explore the Arctic北极探险活动
from a scientific point of view从科学的角度来看
with the latest technology in hand掌握最新技术
最简单的做奶茶的方法
enhance relationships加强关系
原文呈现
REACHING OUT ACROSS THE SEA
Trade and curiosity have often formed the foundation of mankind's greatest achievements.To complete the great map of the world(1) was a strong passion for the people of early civilisations.Marco Polo's tales inspired European explorers to arch for a routes from west to east.However，merchants and explorers from the East t sail from east to west many years before Columbus first did(2)．
(1)不定式短语作主语。
(2)before引导时间状语从句。
In ancient times，silk from China found its way overland to India，the Middle East，and Rome，along what became known as the Silk Road(3)．A trading route across the a was also extended along the coasts of the Indian Ocean，centred around Ceylon (now Sri Lanka)．Here，merchants from China and many other places met to negotiate trade deals，which also led to more awareness of each other's cultures(4)．Over the centuries，further trading allowed more exploration of the regions to the west of China，as recorded in Du Huan's Record of My Travels in the eighth century.
(3)what引导宾语从句。
(4)which引导非限制性定语从句，修饰主句。
Later，the Ming Dynasty further developed relations with the regions.Between 1405 and 1433，ven large fleets sailed west on voyages of trade and exploration.The fle
ets were a sight to behold and were in a league of their own at that time.Under the command of Zheng He，they t sail from the South China Sea across the Indian Ocean to the mouth of the Red Sea，and then to the east coast of Africa.African royal families nt gifts such as giraffes as gestures of friendship in return for gold，silk，and spices.Although China withdrew from further expeditions after 1433(5)，the land and a routes remained active channels between other cultures for centuries.
(5)although引导让步状语从句。
To reach out across the a remains a strong desire today.The ancient a routes travelled by Zheng He are being revisited with the 21st Century Maritime Silk Road小可可，which is part of the Belt and Road Initiative(6)．
(6)which引导非限制性定语从句，修饰先行词the 21st Century Maritime Silk Road。
The aim of this initiative is to encourage cooperation and trade across the historic Silk Road areas，and strengthen the bonds between China and t吕翁he rest of the world.Tradin
g has grown greatly in recent years，and will continue to do so in years to come.China has invested billions in systems and rvices along the routes，which will help to greatly develop the whole area for the benefit of future trade and cultural exchange (7)．
家庭经济困难说明(7) which引导非限制性定语从句，修饰主句。
China has also joined its friends across the a on other important projects.Although the ancient a routes of Zheng He have been travelled many times(8)，there are still many other places left to explore.In recent years，China has joined other nations on veral expeditions to explore the Arctic.From a scientific point of view，there is an urgent need to study the Arctic in order to understand climate change and its effects.
