Now scientists have learned that nitrates are the true energy-boosting ingredient in the vegetable. Until recently the inorganic chemical was not thought to have any nutritional value.
直到最近，科学家才发现硝酸盐是补充能量的真正元素。
Now scientists have learned that nitrates are the true energy-boosting ingredient in the vegetable. Until recently the inorganic chemical was not thought to have any nutritional value.
直到最近，科学家才发现硝酸盐是补充能量的真正元素。
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