第1个回答 2012-02-07
position 位置,Pollution污染,penetration穿透,perforation孔,pacification 和平,paction 契约,presumtion 专横,population 人口,perfection 完美 等
第2个回答 2012-02-07
promotion,protection,portion,preparation,proportion,prohibition, petition
第3个回答 2012-02-07
population,promotion,protection,production,
第4个回答 2012-02-07
promotion