ocular blood Vascular system的用法和樣例：
例句
- Curiously, the sound of blood flow in the vessels of our head and neck is within hearing range, yet we do not hear it.
但令人驚奇的是，我們頭部和頸部血液循環的聲音就在這個聽覺範圍之內，而我們卻聽不到。 - Blood circulation to the skin and hands is greater in Inuit people than in Europeans, protecting them from frostbite.
因紐特人皮膚及手部血液循環比歐洲人快，保護他們不被凍傷。
