extraction of birch bark 桦树皮提取物ebb
the culture of birch bark 桦树皮文化
extraction of birch bark ebb 桦树皮提取物
If they cooked in bowls made of birch bark, wouldn't that make the food taste funny?
如果他们用桦树皮做的碗做饭，难道不会让食物尝起来很奇怪吗？
One great thing about these birch bark canoes was that they could carry a large amount of cargo.
这些桦树皮独木舟的优点之一是它们可以装载大量货物。
This efficiency of the birch bark canoe also made an impression on newcomers to the area.
这种桦树皮独木舟的效率也给新来的人留下了深刻的印象。
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