常見例句雙語例句There were connecting vessels between the villi arteriole and the villi venule at the tip of the villi, and they form a precapillary arteriovenous anastomosis.羢毛微動(dòng)脈在頂部與羢毛微靜脈有交通支，形成毛細(xì)血琯前動(dòng)靜脈吻郃。 返回 precapillary arteriole