The outer cells become thin membranes that form around the baby. The cells multiply thousands of times and move to new positions to eventually become the embryo (pronounced: em-bree-o).
外层细胞发育成厚厚的膜并最终包裹着胚胎盘，细胞以成千上万的倍数增长并最终形成胚胎。
The baby was born at 2 o 'clock in the morning.
这婴儿是早上2点出生的。
The baby was born on 8 o 'clock.
婴儿在8点钟出生。
The findings could lead to women with type O blood being advised to try for a baby earlier, but experts said more research was needed before such a step was taken.
这一发现可能会帮助“O型血”妇女接受建议，尝试更多办法，更早的怀上小孩。但是专家说在采取这样的方式之前，还需进行更多的研究。
The findings could lead to women with type o blood being advised to try for a baby earlier, but experts said more research was needed.
结果表明，O型血妇女要孩子宜早不宜迟。但是专家表示，还需要完成更多的证实研究。
The baby was born at 8 o 'clock.
婴儿是在八点钟出生的。
Katie Holmes, Rosie o 'donnell and Anna Nicole Smith's baby daughter, Dannielynn, are among the boldface names on OK!
凯蒂·赫尔姆斯、罗丝·奥唐纳和安娜·妮可·史密斯的小女儿丹尼尔琳被OK ！
Katie Holmes, Rosie o 'donnell and Anna Nicole Smith's baby daughter, Dannielynn, are among the boldface names on OK!
凯蒂·赫尔姆斯、罗丝·奥唐纳和安娜·妮可·史密斯的小女儿丹尼尔琳被OK ！
应用推荐