That's the time in the real world where we get high sweetness, high acidity, is in fresh fruits, and that's what your brain is probably thinking about something in that category.

在现实世界中，这段时间新鲜水果的甜味和酸度都很高，你的大脑可能会想到这一类的东西。

Researchers at the Australian Institute of Marine Science have been raising young corals in extreme conditions, including higher temperatures and higher acidity levels, a byproduct of increased carbon dioxide in the atmosphere which oceans absorb.

澳大利亚海洋科学研究所的研究人员一直在培育珊瑚幼体在极端条件下的生存能力，包括让珊瑚处于温度和酸度更高的环境下，这些情况是海洋吸收了更多大气中的二氧化碳导致的。

It's claimed that enjoying a glass of white wine on a frequent basis can damage your teeth, because of the high acidity levels in white wine it can erode the tooth enamel more quickly than red wine.

结果显示，经常饮用白葡萄酒可能会对你的牙齿造成损害，因为白葡萄酒的强酸性对牙釉质的腐蚀速度可能比红酒要快。