"an"的搜索结果

etacarcinus magister formerly cancer magister were being kept fresh and cold inside an aquarium

标签: etacarcinus,magister,formerly, 浏览: 21

out of school youth in haiti benefit from an intensive educational and vocational training

标签: out,of,school,youth,in,haiti,b 浏览: 19

nurse takes dried blood spot samples from an infant to test in a maternal and child health

标签: nurse,takes,dried,blood,spot,s 浏览: 19

health worker in sindh uses an illustrated calendar to explain best practices in maternal child health

标签: health,worker,in,sindh,uses,an 浏览: 18

distal tip of an empty syringe revealing the metallic needle with its blue plastic proximal

标签: distal,tip,of,an,empty,syringe 浏览: 19

corn has been an important nutritional resource for thousands of years

标签: corn,has,been,an,important,nut 浏览: 20

cellphone and an automobile electronic key

标签: cellphone,and,an,automobile,el 浏览: 19

women who runs an accessory business

标签: women,who,runs,an,accessory,bu 浏览: 12

home maintenance is an ongoing process for any home owner

标签: home,maintenance,is,an,ongoing 浏览: 17

father repairing an interior door frame while his young son was playing with a toy car in an adjacent room

标签: father,repairing,an,interior,d 浏览: 19

carrying out an inspection of emergency relief supplies

标签: carrying,out,an,inspection,of, 浏览: 16

woman peeling an red apple fruit

标签: woman,peeling,an,red,apple,fru 浏览: 18

woman in the process of peeling an apple using a peeling implement after having washed a batch

标签: woman,in,the,process,of,peelin 浏览: 15

staff microbiologists using an electronic pipetter to extract reconstructed 1918 pandemic influenza virus

标签: staff,microbiologists,using,an 浏览: 23

proboscis of an aedes albopictus mosquito feeding on human blood

标签: proboscis,of,an,aedes,albopict 浏览: 26