tuberculin delayed hypersensitivity

例句：

1. 1. Tuberculin is a test used to diagnose tuberculosis (肺结核).
   结核菌素是一种用于诊断结核病的测试。
2. 2. The patient was given the tuberculin test as part of their treatment.
   患者接受了结核菌素测试作为其治疗的一部分。
3. 3. The doctor recommended that the patient take the tuberculin test twice a year.
   医生建议患者每年进行两次结核菌素测试。