Rats fed diets high in saturated fat underperformed on tests of learning and memory, and humans who live on such diets seem to be at increased risk for dementia.
用高饱和脂肪食物喂养的大鼠在学习和记忆测验中表现不佳，而靠这种饮食为生的人似乎提高了患痴呆的风险。
2
In the current and past two recessions, interest rates never got very high and the Fed actually began to lower them before the contraction began.
现在和之前的两次衰退，利率根本就没有高过，实际上在衰退开始之前，美联储就开始降低利率。
3
These health benefits of blueberries were evident in rats fed both high - and low-fat diets enriched with the blueberry powder.