名词
中文翻译：半旗
同义词：
['semi-flag', 'half-staff']
例句：
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1.The flag was raised to half-mast in honor of the fallen soldiers.
为了纪念阵亡士兵，将旗帜升至半旗。
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2.The captain ordered the ship's flag to be raised to half-mast.
船长下令将船的旗帜升至半旗。
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3.The weather forecast indicated a chance for rain, so we decided to raise the flags to half-mast.
天气预报显示有下雨的可能，所以我们决定将旗帜升至半旗。