On the computer screen, a detailed map of the United States appears, a marker is moving across from the west and closing in on a location. It stops, beeps and produces an exact location.
在电脑荧幕上，一份详细的美国地图出现了，一个标记从西边移动过来，慢慢向一个地址合拢，然后停止移动，锁定在一个精确的地址处，发出嘟嘟声示意。
The multiple marker of triple screen is a routine blood test that measures your baby’s risk factor for certain birth defects.
多种标记物的三重检验是常规血液检查项目，用来测量婴儿患特定先天畸形的风险因素。
The multiple marker of triple screen is a routine blood test that measures your baby's risk factor for certain birth defects.
多种标记物的三重检验是常规血液检查项目，用来测量婴儿患特定先天畸形的风险因素。
The multiple marker of triple screen is a routine blood test that measures your baby's risk factor for certain birth defects.
多种标记物的三重检验是常规血液检查项目，用来测量婴儿患特定先天畸形的风险因素。
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