- There are now around 30 bears in this one valley.
这个山谷中大约有三十只熊 - As they rub, each leaves an individual and recognisable scent.
每只熊摩擦时都会留下易于辨认的独特气味 - So the tree soon carries a list of who's around,
所以树上很快会留有附近灰熊的气味 - which might help individuals to avoid a fight.
或许可以避免个体之间的争斗 - To best spread their scent,
为了更好地散布自己的气味 - they really have to put their back into it.
他们得用后背好好地蹭一蹭 - But summer is short.
但是夏天很短暂
which might help individuals to avoid a fight. 或许可以避免个体之间的争斗
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