To see how much less land birch would have covered , they used elephants as a proxy .
为了理解当时桦树覆盖的土地面积有多么少,他们用大象作比方。
To get to birch creek , you go to the end of our street where you hit sixteenth avenue .
去桦树溪的话,得先走到我们这条街尾,也就是和16街交汇的地方。
Built near a ski resort in the helags and skars mountains , this restaurant is constructed of local birch logs .
该餐馆位于helags和skars山的滑雪场附近,是由当地桦树原木建造而成。
Flaxseed , birch brooms , maple sugar , goose
亚麻籽,桦木条做成的扫帚,槭糖,
Dr field 's team set about the task by analysing ancient records of birch pollen preserved in lake sediments from known mammoth breeding grounds like siberia .