名词
中文翻译：稻草
同义词：
['straw', 'strawberry stalk']
例句：
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1.The farmer used the sival to make a fence for his farm.
农民用秸秆制作了农场的篱笆。
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2. The children were playing with their sivals in the field.
孩子们在田野里用他们的秸秆玩耍。
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3.The sivals are being used as fuel for the new machine.
秸秆正在被用作新机器的燃料。