"demonstration"的搜索结果

archery sport demonstration

标签: archery,sport,demonstration 浏览: 10

archery contest and demonstration

标签: archery,contest,and,demonstrat 浏览: 13

sterling engine demonstration

标签: sterling,engine,demonstration 浏览: 17

children at demonstration education

标签: children,at,demonstration,educ 浏览: 9

man holds trumpeter swan during demonstration cygnus buccinator

标签: man,holds,trumpeter,swan,durin 浏览: 12

educational outreach demonstration crowd

标签: educational,outreach,demonstra 浏览: 12

immunohistochemical demonstration of ebola virus antigen in skin

标签: immunohistochemical,demonstrat 浏览: 13

chickenpox scab and smallpox scab as a demonstration in comparative morphology

标签: chickenpox,scab,and,smallpox,s 浏览: 13

demonstration of waterproof bandage after taking a shower

标签: demonstration,of,waterproof,ba 浏览: 14

demonstration of how a smallpox vaccinee should remove a waterproof bandage after taking a shower

标签: demonstration,of,how,a,smallpo 浏览: 16

members of the el gorrion coffee cooperative in yali nicaragua watch a demonstration

标签: members,of,the,el,gorrion,coff 浏览: 21

young village boys in mozambique observe a long lasting insecticide treated bed net during a demonstration

标签: young,village,boys,in,mozambiq 浏览: 14