plotlines
n.
（戏剧、小说等的）情节主线，主要情节( plotline的名词复数 );
例句:
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With people and all these plotlines and secrets that are interlocked and nested together.
来自WSJ
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Many episodes also involve temporal loops, character dramas, natural disasters, and other plotlines without alien encounters.
而除了与外星人遭遇之外,许多剧集中还包含了时空循环 、 物戏 、 然灾害以及其它的一些主线情节.
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Don't rule out the possibility that, amongst the many plotlines this week, Flacco emerges as the main man on Sunday.
来自BBC
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Plotlines were transformed, and the novel revealed its secret "thriller" aspirations, hidden within all along.
来自WSJ