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科学家和业余博物学家在英格兰的西南部观察到了一系列非同寻常的物种,这些物种在英国海域中并不常见。这其中包括大量的蓝鳍金枪鱼和章鱼,以及紫纹海刺水母、康吉鳗鱼、座头鲸,甚至还有世界第二大鲸鱼物种——长须鲸。
The 2024 National Assessment of Educational Progress, released Tuesday, found high school seniors struggling the most. Just 22 percent of 12th graders reached proficiency in math, while 45 percent ...
本集内容 How a new 'superfood' for bees could help our own food security 为蜜蜂研发的一种新型 “超级食物” 如何帮助保障人类自身的食品安全 文字稿 Nick Mensikov, Cardiff, Vale and Valleys Beekeepers Association "I know the queen is in here ...