The final reading of consumer sentiment in April fell for the fourth straight month, plunging 8 percent from March and reaching its lowest level since July 2022, amid trade policy volatility.

12 月 7 日消息，据密歇根大学 Michigan Engineering 网站 5 日报道，在梅赛德斯-奔驰与密歇根大学最新的研究中，揭示了从稻壳中提取硬碳的新方法 ...