Objective : To investigate the cell source secreting the granulocyte granulocyte colony - stimulating factors ( GM - CSF , G - CSF ) in human placenta.目的: 确定脐血中高水平的造血因子的来源.Secreting or yielding a milky juice , as certain...
Their discovery could herald a cure for some forms of impotence.他们的发现可能预示着为某些类型的阳痿找到了医治方法。I welcome the report as a herald of more freedom, not less.我认为这份报告预示着会有更多、而不是更少的自由,因此对它表示欢迎。These talks could herald a new era of ...
'I party some,' said Jed...杰德说:“我有时会去参加聚会。”"I party some," said Jed.杰德说:“我有时会去参加聚会。”Jed nodded, finishing off the last piece of pizza.杰德点点头,把最后一块比萨饼吃完。After a slow, painful walk down the mountain, Jed came to a...