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British Columbia is the third largest Canadian provinces, both in area and population. It is nearly 1.5 times as large as Texas, and extends 800 miles(1,280km) north from the United States border. It includes Canada's entire west coast and the islands just off the coast.
Most of British Columbia is mountainous, with long rugged1 ranges running north and south. Even the coastal2 islands are the remains3 of a mountain range that existed thousands of years ago. During the last Ice Age, this range was scoured4 by glaciers5 until most of it was beneath the sea. Its peaks now show as islands scattered6 along the coast.
The southwestern coastal region has a humid mild marine7 climate. Sea winds that blow inland from the west are warmed by a current of warm water that flows through the Pacific Ocean. As a result, winter temperatures average above freezing and summers are mild. These warm western winds also carry moisture from the ocean.
Inland from the coast, the winds from the Pacific meet the mountain barriers of the coastal ranges and the Rocky Mountains. As they rise to cross the mountains, the winds are cooled, and their moisture begins to fall as rain. On some of the western slopes almost 200 inches (500cm) of rain fall each year.
More than half of British Columbia is heavily forested. On mountain slopes that receive plentiful8 rainfall, huge Douglas firs rise in towering columns. These forest giants often grow to be as much as 300 feet(90m) tall, with diameters up to 10 feet(3m). More lumber9 is produced from these trees than from any other kind of tree in North America. Hemlock10, red cedar11, and balsam fir are among the other trees found in British Columbia.
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1 rugged | |
adj.高低不平的,粗糙的,粗壮的,强健的 | |
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2 coastal | |
adj.海岸的,沿海的,沿岸的 | |
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3 remains | |
n.剩余物,残留物;遗体,遗迹 | |
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4 scoured | |
走遍(某地)搜寻(人或物)( scour的过去式和过去分词 ); (用力)刷; 擦净; 擦亮 | |
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5 glaciers | |
冰河,冰川( glacier的名词复数 ) | |
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6 scattered | |
adj.分散的,稀疏的;散步的;疏疏落落的 | |
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7 marine | |
adj.海的;海生的;航海的;海事的;n.水兵 | |
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8 plentiful | |
adj.富裕的,丰富的 | |
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9 lumber | |
n.木材,木料;v.以破旧东西堆满;伐木;笨重移动 | |
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10 hemlock | |
n.毒胡萝卜,铁杉 | |
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11 cedar | |
n.雪松,香柏(木) | |
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