pensn.钢笔名词pen的复数形式.penn.钢笔；笔；写作；围栏；雌天鹅v.写；把…关在圈中penetrating comment透彻的评论penile fibromatosis阴茎纤维瘤病penological thought刑罚思想Penicilli of spleen脾笔毛动脉, 笔毛(脾)penile replantation阴茎再植术Penicillium bilaiaen.比莱青霉penetrative feature渗透特性penjing accessories盆景配件penumoalveolography肺泡X线摄影(术), 肺泡X线造影(术)Penruddock's Revolt