"as"的搜索结果

this historic image depicted a laboratorian as she was performing a cephalin cholesterol flocculation test

标签: this,historic,image,depicted,a 浏览: 1

st rochs cemetery new orleans la which acted as an urban situated breeding site for aedes aegypti

标签: st,rochs,cemetery,new,orleans, 浏览: 1

small child as he received a smallpox vaccination at a local health department

标签: small,child,as,he,received,a,s 浏览: 1

sierra leone weaver practicing his craft at a loom as fellow villagers watch

标签: sierra,leone,weaver,practicing 浏览: 1

public health scientist as he was drawing blood from an elderly woman to be tested

标签: public,health,scientist,as,he, 浏览: 2

photograph showed a health professional as he was drawing blood from an elderly man for testing

标签: photograph,showed,a,health,pro 浏览: 2

norway rat rattus norvegicus also known as the brown rat house rat and sewer rat

标签: norway,rat,rattus,norvegicus,a 浏览: 1

military investigator with a flashlight as he was carrying out an inspection beneath a bridge

标签: military,investigator,with,a,f 浏览: 2

bangladesh secretaries of health as he was seated behind his desk during a meeting

标签: bangladesh,secretaries,of,heal 浏览: 1

bangladesh man who had been employed as a full time sign painter

标签: bangladesh,man,who,had,been,em 浏览: 1

bamboo constructed bridge used as an integral tool in daily bangladesh village life

标签: bamboo,constructed,bridge,used 浏览: 2

administering a vaccine to a young child as his mother held him steady

标签: administering,a,vaccine,to,a,y 浏览: 1

several loadmasters as they were loading mobile quarantine facility into an aircraft

标签: several,loadmasters,as,they,we 浏览: 2

nigerian children were photographed as they received vaccinations for measles and smallpox

标签: nigerian,children,were,photogr 浏览: 1

traveling from salisbury rhodesia known as harare

标签: traveling,from,salisbury,rhode 浏览: 2