| 释义 | 
		pro·no·grade AHD[prōʹnə-grād'] D.J.[ˈprəʊnəˌgreɪd]K.K.[ˈpronəˌgred]adj.(形容词)- Walking with the long axis of the body parallel to the ground. Used of quadrupeds.(四足兽)俯行的:行走时身体的长枢椎与地面平行的,用于四足兽
 
 - Latin prōnus [leaning forward] * see  prone 拉丁语 prōnus [向前屈身] * 参见 prone
 
 - -gradus [walking]  from gradī [to move] * see  retrograde -gradus [行走]  源自 gradī [行动] * 参见 retrograde
 
 
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