当欧洲的定居者雕刻出我们这件驯鹿雕塑时，东北区地区的人类即将要在美洲安家。
At the time our swimming reindeer were carved in Europe, the people of North-East Asia were about to settle the Americas.
本周的探索新闻，我们来关注关于圣诞树和圣诞驯鹿的故事。 我同时用了两种叫法，是因为我发现驯鹿在北美洲被叫做 "caribou"。
In this week's Discovery News story concerning Christmas trees and reindeer, I use both words, noting that reindeer are called "caribou" in North America.
圣诞小鹿，这种生长于北美洲的驯鹿，能直接帮助并促进树木在野外的生长。
Reindeer, known as caribou in North America, can directly aid such trees by promoting their growth in the wild.
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