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Although bears mate in the spring, the fertilized eggs don’t begin to develop until the females return to the den for the winter.
雖然熊在春天交配，但是受精卵直到冬天雌熊返回洞穴才開(kāi)始發(fā)育。
The females must have stored up enough fat over the summer to support themselves and their developing cubs over the long winter.
雌熊必須在夏季儲(chǔ)存足夠的脂肪好讓自己和正在發(fā)育的幼仔安然過(guò)冬。
If not enough fat is stored, the embryos won’t develop at all, and the female bear won’t produce any cubs that year.
如果儲(chǔ)存的脂肪不充裕，胚胎就無(wú)法完全發(fā)育，那么這一年雌熊也不會(huì)誕下任何幼仔。
Like Yogi Bear, real bears also seek out humans who might be carrying a snack,
與約吉一樣，現(xiàn)實(shí)中的熊也會(huì)追尋可能攜帶零食的人類，
and many bears look for garbage, pet food, livestock, and campers for an easy supply of food.
很多熊為了覓食便利，它們會(huì)直接尋找垃圾、寵物糧、家畜和野營(yíng)者來(lái)獲取食物。
Contrary to popular belief, bears don’t eat humans.
與大家的想法不同，其實(shí)熊并不吃人。
Unless humans surprise the bear or threaten the cubs, bears will avoid human contact.
除非受到驚嚇或幼仔受到威脅，否則它們會(huì)盡量避免與人類接觸。
They really are more interested in your picnic basket.
事實(shí)上，它們對(duì)你的野餐籃更感興趣。
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