名词
中文翻译：Unknown
同义词：
['seven-hydrate salt', 'seven-water sulfate例句：1. The heptahydrated compound is highly soluble in water.（这种七水合化合物在水中极易溶解。）2. The heptahydrated salt was used as a preservative in ancient times.（这种七水合盐在古代被用作防腐剂。）']
例句：
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1. The heptahydrated compound is highly soluble in water.
这种七水合化合物在水中极易溶解。
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2. The heptahydrated salt was used as a preservative in ancient times.
这种七水合盐在古代被用作防腐剂。
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3. The heptahydrated substance has been found to have antibacterial properties.
这种七水合物质被发现具有抗菌性质。