English translation for "protracted course of disease"
迁延不愈
Related Translations:
protract: vt.1.拖长,延长。2.(用比例尺半圆规)画(线),画(角),制(图)。3.【解剖学】伸出,突出 (opp. retract )。短语和例子protract one's stay for some weeks 多逗留几个星期。 protracted disease 拖得很久的病。 a protracted test 疲劳试验。 a protracted warfare 持