"They're losing lots of habitat - lots of woodland," says Spencer. "And we're also knocking down old buildings, making our homes warmer, more airtight - there are less places for them to go."
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IBM had already built document processing machines that interacted with their
这个春节，位于湖北宜昌三峡植物园的蜡梅园迎来了热闹时刻，专程来赏花的游客络绎不绝。狗牙蜡梅、素心蜡梅、磬口蜡梅等品种竞相盛放，馨香满园。相邻的梅园中，粉的、白的、红的梅花也绽开了笑脸。