As the last beats in the heart monitor trailed off, I knew Lyra had left my life forever.
2
贝基的项圈上戴着一个污染监测器，这样她就可以在接近地面的地方进行数据测量。
Baggy wears a pollution monitor on her collar so she can take data measurements close to the ground.
3
婴儿反应的胶片分析、心率和呼吸速率监测器以及非营养性吸吮装置是理解婴儿感知的有效工具。
Film analysis of the infant's responses, heart and respiration rate monitors, and nonnutritive sucking devices are used as effective tools in understanding infant perception.
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