ä¸ãæ¨å¨äºç¤¾ä¼çåè¿å人类è¿æ¥ã
ããå¦ç¬¬ä¸æ¬¡å·¥ä¸é©å½ä¸è¸æ±½æºçåæåæ¹è¿ï¼å°äººç±»æ¨è¿å°äºè¸æ±½æ¶ä»£ï¼ç¤¾ä¼ç产åæ大åå±ï¼
ãã第äºæ¬¡å·¥ä¸é©å½ä¸çµåçåºç¨ä½¿äººç±»è¿å
¥å°çµæ°æ¶ä»£ï¼
ããå¦çµè¯ãçµæ¥çåæä¸åºç¨ï¼ä¿è¿äºäººç±»çµè®¯äºä¸çåå±ï¼ä½¿äººä»¬ç交æµæ´å 便æ·ï¼ä¿è¿äºç»æµçåå±å社ä¼çè¿æ¥ã
ãã第ä¸æ¬¡ç§æé©å½ççµå计ç®æºçåæåºç¨ï¼ä¿¡æ¯ææ¯çåºç¨ï¼ä½¿äººç±»è¿å
¥äºä¿¡æ¯æ¶ä»£ã
温馨提示:答案为网友推荐,仅供参考