Forced inspiration and expiration require muscular contraction, and therefore, they're both active processes.
强迫吸气和呼气需要肌肉收缩,因此,它们都是活跃的过程。
单词 | forced inspiration |
例句 |
原声例句
呼吸系统 Forced inspiration and expiration require muscular contraction, and therefore, they're both active processes. 强迫吸气和呼气需要肌肉收缩,因此,它们都是活跃的过程。 |
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