名词
中文翻译：第二根弦
同义词：
['alternative', 'backup', 'alternative option例句：1. The second string of lights was the most beautiful part of the display.（第二根灯光线是展示中最美丽的部分。）']
例句：
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1. The second string of lights was the most beautiful part of the display.
第二根灯光线是展示中最美丽的部分。
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2.She decided to use a second string of words to soften her tone.
她决定使用另一套话来软化语气。
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3.He had no second string left; he had to rely on his first plan.
他没有任何备选方案了，只能依赖他的第一计划。