"bangladesh"的搜索结果

flag of bangladesh

标签: flag,of,bangladesh 浏览: 4

two technicians in bangladesh laboratory sorting through a collection of glass vials

标签: two,technicians,in,bangladesh, 浏览: 14

technician in a bangladesh laboratory who was in the process of creating smallpox vaccine

标签: technician,in,a,bangladesh,lab 浏览: 12

technician in a bangladesh laboratory in the process of preparing an embryonated chicken egg

标签: technician,in,a,bangladesh,lab 浏览: 13

technician in a bangladesh laboratory in the process of preparing a mixture

标签: technician,in,a,bangladesh,lab 浏览: 13

vintage photo of people working during flood waters around bangladesh

标签: vintage,photo,of,people,workin 浏览: 17

floodwaters around bangladesh

标签: floodwaters,around,bangladesh 浏览: 14

children in nandail known as an upazila subdivision of bangladesh district of mymensingh

标签: children,in,nandail,known,as,a 浏览: 12

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

标签: bangladesh,secretaries,of,heal 浏览: 19

bangladesh men were analyzing collected data

标签: bangladesh,men,were,analyzing, 浏览: 14