extremes
[ɪkst'ri:mz]
n.
极端( extreme的名词复数 );
极端政策（或办法、手段、行动、措施等）;
极端不同的感情（或境况、行为方式等）;
[常用复数]在两末端的事物;
例句:
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They can withstand extremes of temperature and weather without fading or cracking.
它们能够经受极端的气温和天气状况而不褪色、不破裂。
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Such extremes of temperature are practically difficult to produce.
来自E. H. Hutten
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There is a sense of shame, sometimes carried to extremes.
心中有羞愧感，有时候甚至无地自容。
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These two buildings typify the rich extremes of Irish architecture.
这两座建筑物体现了爱尔兰建筑风格的极致多变。
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Neither of these extremes are true, of course.
来自WSJ
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The extremes of our class system are very important.
来自BBC