umbilical

脐的、脐带的

The nurse gently clamped and cut the umbilical cord.

护士小心地夹住脐带并剪断。

密不可分的、难以割舍的比喻

He still has an umbilical attachment to his hometown.

他对家乡仍有一种难以割舍的牵系。

脐带缆、供气管线专业用语

The diver's umbilical supplies air and power from the ship.

潜水员的脐带缆由船上提供空气和电力。