有任何疑问或需要帮助，请通过邮件或社交平台联系我们。您的反馈是我们改进的重要动力。 Priestley, nonetheless, referred to as oxygen "dephlogisticated air", and didn't realize it as a chemical ingredient. The name oxygen was coined in 1777 by Antoine Lavoisier, who to start with identified oxygen being a chemical element and properly characterized the function it plays in combustion. Here... https://shermanu736ker1.anchor-blog.com/profile