常見例句用作名詞 (n.)Doctor is looking for the blood donor who can offer infrequence blood to the patient.毉生正在尋找能給一個血型罕見的病人輸血的獻血者。The doctors were overwhelmed by the infrequence of the illness, however they calmed down at once and they began to examine my husband.病情的罕見，把毉生們都嚇倒了，但是他們很快冷靜下來，給病人做全身檢查。 返回 infrequence