"to"的搜索结果

fisheries biologist uses hand auger to bore a hole in the ice

标签: fisheries,biologist,uses,hand,

finish attaching a thermometer to the box of turtle eggs

标签: finish,attaching,a,thermometer

employees in boat using sein near eroded bank of missouri river to study aquatic life

标签: employees,in,boat,using,sein,n

employee stands on a ladder to check a northern flying squirrel nest box

标签: employee,stands,on,a,ladder,to

each batch of eggs is mixed with salt water to assist in fertilization

标签: each,batch,of,eggs,is,mixed,wi

caged nutria is covered to keep animal calm during tagging

标签: caged,nutria,is,covered,to,kee

bison bone size comparison to domestic cattle bone

标签: bison,bone,size,comparison,to,

biologists head ashore to search for seabird nesting habitat

标签: biologists,head,ashore,to,sear

biologist bands a tundra swan prior to avian influenze sampling

标签: biologist,bands,a,tundra,swan,

biological technician prepares a sample of fish food to test in the nitrogen analyzer which reads the percent nitrogen

标签: biological,technician,prepares

anesthetizing nutria prior to tagging

标签: anesthetizing,nutria,prior,to,

a fisheries biologist distributes food to fish in the hatchery raceways

标签: a,fisheries,biologist,distribu

canoers paddle close to shore

标签: canoers,paddle,close,to,shore

workers attempt to clean a pelican soiled by oil spill

标签: workers,attempt,to,clean,a,pel

when uncovering an egg the proper method is to gently circle the egg

标签: when,uncovering,an,egg,the,pro