| 单词 | photoplethysmograph | 
| 释义 | Definition of photoplethysmograph in English:photoplethysmographnoun ˌfəʊtəʊplɪˈθɪzməɡrafˌfəʊtəʊplɪˈθɪzməɡrɑːf Medicine 
 Origin1960s. From photo- + plethysmograph, after photoplethysmographic. Definition of photoplethysmograph in US English:photoplethysmographnoun Medicine 
 Origin1960s. From photo- + plethysmograph, after photoplethysmographic.  | 
	
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