名词
中文翻译：生命线
同义词：
['lifeline', 'lifeline of life']
例句：
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1.The lifeline of the community is the local library.
社区的生命线是当地的图书馆。
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2. She found her lifeline in music.
她在音乐中找到了生活的意义。
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3. The lifeline of the expedition was a reliable radio signal.
探险队的命脉是可靠的无线电信号。