capillary

n. /ˈkæpəleri/ C2

毛细血管；毛细管

A very thin tube, especially a blood vessel.

仙境例句

Under the glass, a tiny capillary carried red blood through the fish's thin tail.

放大镜下，一根细小的毛细血管把红红的血送过鱼儿薄薄的尾巴。