星期二抵达韩国的美国带骨牛肉的一部分有可能仅三天之内就会在商店上架出售。
A portion of Tuesday's US beef shipment may be ready for store shelves in as few as three days.
让赖歇特感到吃惊的是，他发现哺乳类的两块耳骨与爬行类颚部的一些骨片相吻合。
He was astonished to find that two of the ear bones in mammals corresponded to pieces of the jaw in reptiles.
在此之上开始形成神经细胞，色素生成细胞和一部分头盖骨。
They then give rise to nerve cells, pigment-producing cells and some bones of the skull.
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