大多数包装或经加工后的食品的营养明细表中都会标明单位食品的钠含量。

The Nutrition Facts label found on most packaged and processed foods lists the amount of sodium in each serving.

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不吃单位钠含量超过200毫克的食品，并仔细检查营养明细表中单位食品的含量再考虑你到底该吃多少。

Try to avoid products with more than 200 mg of sodium per serving. And check the Nutrition Facts label closely for the serving size - and consider how many servings you actually eat.

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这表明细菌的化学合成并不是这些生物的充足营养来源。

This suggests that bacterial chemosynthesis is not a sufficient source of nutrition for these creatures.

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