单词：self-acting device
self-acting device的用法和样例：
例句
- We now consider it to be the primordial automatic device because it held the first breath of lifelikeness in a machine.而我们现在之所以把它看成是自动装置的鼻祖，是因为它在一个机器装置中成功地把握到了生命之为生命的第一次呼吸。
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