1.BulldogDescription,Breeding,&FactsBritannicaWhy do dogs bark? Why do dogs sniff other dogs’ rear ends? How are dog years calculated? When do dogs need shots? What is a dog? Read Next Is It Wrong to Own a Flat-Faced Dog? Are Dogs Really Color-Blind? 16 Questions About Pets Answered ...http://www.britannica.com/animal/bulldog

2.HomeProceedingsoftheRoyalSocietyB:BiologicalSciencesProceedings B is the Royal Society’s flagship biological research journal, accepting original articles and reviews of outstanding scientific importance and broad general interest. The main criteria for acceptance are that a study is novel, and has generhttp://royalsocietypublishing.org/journal/rspb

3.testanimal是什么意思testanimal的中文意思试验用动物相关短语 Lehigh specimen (焊接试验用) 里海试样 picket gate (水工试验用) 导水栅门 area of indentation (试验硬度用) 压痕面积 spring catapult (撞车试验用的) 弹簧弹射器 instrumental mannequin (耐燃试验用) 仪器式人体模型 full boiling range reference fuel (试验用) 全沸点标准燃油 Porifera ...http://m.hujiang.com/ciku/test_animal/