"I only see a small number of yearling calves," Fischbach says.
菲施巴赫说：“我只看到了数量很少的幼海象。”
2
Fischbach has been attaching satellite radio tags on the walruses to try to figure out how the animals are coping.
菲施巴赫将卫星信号签贴在海象身上试图弄清这些动物如何生存。
3
Ephraim Fischbach, a physics professor at Purdue, was looking into the rate of radioactive decay of several isotopes as a possible source of random numbers generated without any human input.