牡蛎：牡蛎内含高浓度的锌，据报道，锌能增强睾酮的产生。
Oysters: Oysters contain high levels of zinc, which reportedly increased the production of testosterone.
沉积物内含有孢粉化石，而每一粒孢粉都含有能告诉我们答案的碳原子标记，容许我们按照地质时间的顺序分析样品。
The sediments contained fossil pollen. Each grain had a telltale carbon atom signature, allowing them to put the samples in chronological order.
html函数能返回包括html标记在内的文本，而text则会分离二者，只返回内含的文本。
The HTML function will return text that includes HTML tags, while the text tag will strip them, and return only the interior text.
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