| 例句 |
You need to have the DTaP vaccine before you can enroll in school.注射白喉、破伤风和百日咳疫苗后方可入学。It's scarlet fever or diphtheria.那是猩红热，也许是白喉。Diphtheria is still a killer in many developing countries.在许多发展中国家，白喉仍是一种致命疾病。Diphtheria is a membranous disease.白喉是一种假膜性疾病。Doctors inoculate against diphtheria, smallpox and other diseases.医生给人们作预防白喉、天花及其他疾病的注射。 |