有效呼吸（effective respiration)：是指气道通畅，肺泡能正常地伸缩，保证气体能在肺里正常的吸入与呼出。
由于封闭的嘴部可以促使宝宝进行有效呼吸， 而唇腭裂患儿未经特殊照顾， 很难进行吸食动作。
Because a fully closed mouth is needed for suction, a baby with cleft lip or palate has difficulty bottle feeding and will starve without special care.
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.
氧气在细胞呼吸的新陈代谢过程中是必不可少的，它能使细胞有效地从有机食物中获取能量。
Oxygen is essential for the metabolic process known as cell respiration that allows cells to efficiently harvest energy from organic food.
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