"african"的搜索结果

electron micrograph shows a thin section containing the ebola virus the causative agent for african hemorrhagic fever

标签: electron,micrograph,shows,a,th 浏览: 15

ebola virus the causative agent for african hemorrhagic fever

标签: ebola,virus,the,causative,agen 浏览: 12

smallpox vaccination of a west african child

标签: smallpox,vaccination,of,a,west 浏览: 10

this woman is being vaccinated for smallpox during a 1968 african vaccination campaign

标签: this,woman,is,being,vaccinated 浏览: 16

african trees flora

标签: african,trees,flora 浏览: 17

700 year old great zimbabwe ruins one of the south african sites

标签: 700,year,old,great,zimbabwe,ru 浏览: 19

young west african cameroonian boy in the process of receiving his vaccinations

标签: young,west,african,cameroonian 浏览: 15

statue of shapona the west african god of smallpox

标签: statue,of,shapona,the,west,afr 浏览: 18

portrait of young african girl from kasungu district malawi

标签: portrait,of,young,african,girl 浏览: 13

african women with children rotated

标签: african,women,with,children,ro 浏览: 3

young african boy studying

标签: young,african,boy,studying 浏览: 15

very close up of african boy face

标签: very,close,up,of,african,boy,f 浏览: 12

portraits of african american men

标签: portraits,of,african,american, 浏览: 13

group of african american men

标签: group,of,african,american,men 浏览: 4

african man smiling in flowered field

标签: african,man,smiling,in,flowere 浏览: 16