intralobar pulmonary vein内: inner; inside; within静脉: vein; vena; phlebo-小叶内静脉: intralobular veins段间静脉,叶内静脉: intersegmental vein小叶内静脉窦状隙: intralobular venous sinusoid下载手机词典可随时随地查词查翻译