It allows nicotine to diffuse slowly and steadily into the bloodstream.它能使尼古丁平稳缓慢地渗透到血液里。They injected the drug directly into her bloodstream.他们把药物直接注射到她的血液里。Red blood cells transport oxygen through the bloodstream.红细胞通过...
It allows nicotine to diffuse slowly and steadily into the bloodstream.它能使尼古丁平稳缓慢地渗透到血液里。Once in the bloodstream, the bacteria adhere to the surface of the red cells.细菌一进入血液里，就附着在红细胞表面上。They injected the drug directly in...