"perform"的搜索结果

biologists in the field perform marking birds

标签: biologists,in,the,field,perfor 浏览: 10

whooping cranes perform a bird ballet for researchers

标签: whooping,cranes,perform,a,bird 浏览: 14

using a stethoscope hed placed upon a young girls back in order to perform a thoracic auscultation

标签: using,a,stethoscope,hed,placed 浏览: 19

stethoscope placed upon the middle posterior back in order to perform a thoracic auscultation

标签: stethoscope,placed,upon,the,mi 浏览: 20