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Improved dust and water protection -- Apple also upgraded the dust and water protection of the AirPods Pro 3. The AirPods Pro 2 were previously IPX4 certified, which means they offered no dust protection (the X) and level 4 water protection (against sweat and light splashes of water). The AirPods Pro 3 offer IP57 certification, which means they have level 5 dust protection (against minimal amounts of dust) and level 7 water protection (against total immersion and downpours of rain). I did not attempt to test this, but I'm glad to see it. By comparison, the Sony WF-1000XM5 earbuds have an IPX4 rating.，推荐阅读91吃瓜获取更多信息
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In 2014, at a small Stanford University lecture hall, the Merriam-Webster editor Peter Sokolowski introduced the crowd of assembled nerds to the idea that a dictionary is not a static document but a living object, constantly updated and remade in response to how people write and speak. In a talk titled “The Dictionary as Data,” Sokolowski emphasized that the editors at Merriam-Webster look to how the general public uses language to guide their work. He shared enticing tidbits, including that xi and za, classic Scrabble words, were popular late-night searches in the online dictionary, and that people regularly look up love ahead of Valentine’s Day. Awed, I wrote in a campus magazine a few days later that “we forget that the dictionary, a seeming bastion of objective reality, is compiled by people who use language, too.”