开放性脐尿管
patent urachus
久存性胸腺
persistent thymus
久存的
perstans
巨输尿管
megalo-ureter
久
for a long time; of a specified duration
久病
aeipathia; long-standing case; macronosia
久病病例
long-standing case
久病成医
prolonged illness makes the patient be a doctor
久病衰弱
valetudinarianism
久病衰弱的
valetualinary
久病衰弱者
invalid; valetudinarian
久慈霉素
kujimycin
久磁材料
permanent-magnet material
久磁动圈式仪器
permanent-magnet moving-coil in-strument
久磁动铁式仪器
permanent-magnet moving-iron instrument
久磁聚焦
permanent-magnet focusing
久磁性扬声器
permanent-magnet speaker
久磁中心化
permanent-magnet centering
久等
kick one's heels
久而久之
as time passes