But some other desirable foods are problematic, at least when it comes to calcium: you’d have to eat so much broccoli to approach the level in milk that it could be toxic to your thyroid gland.
但是某些所谓的理想食物会比较麻烦,至少就钙质而言；比方说你必须吃很多花椰菜才能达到牛奶里同等的含量，吃这么多又可能导致甲状腺中毒 。
Once the baby penguin is born, instead of the female, it is the male who produces milk from a gland in his esophagus to feed the baby.
当小帝企鹅们一旦出壳，这些雄性帝企鹅将给他们的孩子喂奶。这些奶来自于他们自身食道的一个腺体，而不是雌性帝企鹅。
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