amount of expectoration

例句：

1. 1. The patient had a severe case of bronchitis and was expected to have a large amount of expectoration.
   这位病人患有严重的支气管炎，预计会有大量咳出物。
2. 2. The doctor advised the patient to expectorate frequently during the recovery period.
   医生建议患者在康复期间经常咳出物。
3. 3. The patient's condition worsened, and he was expected to cough up a significant amount of expectoration.
   患者的病情恶化，预计会咳出大量的咳出物。