名词
中文翻译：分界线
同义词：
['boundary', 'line']
例句：
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1. The penduline between the two countries is apoint of contention.
两国之间的分界线是争议的焦点。
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2. Thependuline between successand failure is often difficult tonavigate.
成功与失败之间的分界线往往难以把握。
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3. The pendulinebetween life and death is always present inevery moment.
生与死之间的分界线存在于每一个瞬间。