句型赏析8

last week, you recall, we discussed the early development of the railroad in the United States, today I want to mention an even earlier form of transportation, one that brought the first European settlers to America.

They elected him President of the United States
他们选他当美国总统

Sailing ships are vital to the economy.

many coastal towns depend on fishing or whaling for employment and income

skills of local designers and workers also form the basis of an important shipbuilding industry.
当地设计师和工人的技巧也构成了重要的造船业里的一个基础

they had a strong interest in the commercial success of their voyages.
他们对他们航行中的商业活动是否成功有很大的兴趣

they carried on a very profitable trade with other parts of the world.
他们与世界上其他的地方进行了很有利的交易

at that time this seemed unbelievable fast and efficient

the high point of this trade came in the mid-19 century with the introduction引进 of the clipper ship

the enormous Yankee clippers with huge sails帆 reaching nearly 200 feet into the sky

soon the important role of the sailing ship in the US economy would come to an end.