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This wall marks the boundary of the school grounds.这条墙标出了学校校园的边界。
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That river forms the boundary between the two counties.那条河是这两个县之间的边界。
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但指一个国家的边界(地区)时,不能用boundary,而需用borders:
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the borders of Switzerland 瑞士的边界地区
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frontier也可表示“边界”:
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Lille is close to the frontier between France and Belgium.里尔靠近法国和比利时的边界。
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Troops established a road block on the frontier.士兵在边界上设了路障。
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在美国the frontiers指早年未开发的地区:
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Areas near the frontiers in America were rough and lawless in the old days.在早期,美国未开发地区很粗野少礼、无法无天。
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frontier也可表示“(科学等)新开拓的领域”:
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The forntiers of medical knowledge are being pushed farther onward as time goes on.随着时间的推移,医学知识新开拓领域不断向前推进。
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182 bore
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bore是动词,可表示“使……厌烦”:
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This book bores me.这书使我厌烦。
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These people bore me stiff.这些人使我厌烦透了。
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它的过去分词bored,表示“厌烦的”:
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I’m bored with the subject.我对这话题已感到厌烦。
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I’m getting bored and homesick.我已变得厌烦和想家了。
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We were so bored that we couldn’t help yawning.我们是那样厌烦,禁不住要打呵欠。
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它的现在分词boring表示“令人厌烦的”:
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Those relations of his are boring people.他那些亲戚是些令人厌烦的人。
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It’s a rather boring book.这是一本令人厌烦的书。
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The lesson was so boring that we couldn’t help yawning.课上得那样枯燥无味,我们禁不住要打呵欠。
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183 born—borne
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