North Pole, South Pole 在线电子书 图书标签:
发表于2024-11-10
North Pole, South Pole 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024
Dry air swirls around empty frozen lands, glaciers move slowly across the waters, winter darkness envelopes the areas day and night. Still, there is life at the poles -- polar bears and penguins, scientists and explorers, berries and mosses. Learn how seasons affect life in the Arctic and Antarctic, how wildlife survives, and what scientists can learn from studying these regions.
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North Pole, South Pole 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024