多大城市。有人想在不到5天的时间里穿越加拿大，但是他们忘了加拿大从东海岸到西海岸共有5 500千米的事实。这儿，温哥华，是加拿大最温暖的地方。人们说它(温哥华)是加拿大最美丽的城市，被大山和太平洋环绕。在落基山脉可以滑雪，海港供你们扬帆，这些使得温哥华成为加拿大最受欢迎的居住城市之一。这个城市的人口增长很快。在温哥华北面的海岸上保存着一些世界上最古老、最美丽的森林。那儿湿度很大，所以树长得特别高，一些经测量高达90多米。"

　　　　That afternoon aboard the train⑱， the cousins settled down⑲ in their seats.Earlier that day, when they crossed the Rocky Mountains, they managed to⑳ catch sight of\s\up1(21(21) some mountain goats and even a grizzly bear\s\up1(22(22) and an eagle\s\up1(23(23).Their next stop was Calgary, which is famous for the Calgary Stampede\s\up1(24(24).Cowboys\s\up1(25(25) from all over the world come to compete in the Stampede.Many of them have a gift for\s\up1(26(26) riding wild horses and can win thousands of dollars in prizes.

　　After two days' travel, the girls began to realize that Canada is quite empty.At school, they had learned that most Canadians live within\s\up1(27(27) a few hundred kilometres of the USA border\s\up1(28(28)， and that Canada's population is only slightly\s\up1(29(29) over thirty million, but now they were amazed to see\s\up1(30(30) such an empty country.They went through\s\up1(31(31) a wheat­growing province and saw farms that covered thousands of acres\s\up1(32(32).After dinner, they were back in an urban\s\up1(33(33) area, the busy port city of Thunder Bay\s\up1(34(34) at the top of the Great Lakes.The girls were surprised at the fact that ocean ships can sail up\s\up1(35(35) the Great Lakes\s\up1(36(36).Because of the Great Lakes, they learned, Canada has more fresh water than any other country in the world\s\up1(37(37).In fact, it has one­third of the world's total fresh water, and much of it is in the Great Lakes.

　　That night as they slept\s\up1(38(38)， the train rushed across\s\up1(39(39) the top of Lake Superior, through the great forests and southward towards Toronto.

　　⑱aboard the train(介词短语)登上火车

　　aboard/ə'bɔːd/prep.&adv.在(船、飞机、火车或公共汽车)上；上(船、飞机、火车等)

　　⑲settle down定居；平静下来；专心于

　　⑳manage to do设法做

　　manage vt.努力；设法；经营；管理；控制

　　try to do努力做(不一定成功)

\s\up1(21(21)catch sight of看见；瞥见　\s\up1(22(22)grizzly bear灰熊