The siphon connects directly to the spiracles and, when kept out of water, allows the creature to breathe.

细管直接连着呼吸孔在探出水外时这种生物就能呼吸。

This reserve of tiny air bubbles is kept at the tip of its abdomen right where the spiracles are.

它把这个小气泡保存在腹部末端那里正好有呼吸孔。

They have a system of external openings called spiracles, that lead to a branching network of tubes called tracheae, that diffuse oxygen through their bodies.

它们有一个称为气孔的外部开口系统，通向一个称为气管的分支网络，通过它们的身体扩散氧气。

It is certain that the mouth indirectly communicates with the spouting canal; but it cannot be proved that this is for the purpose of discharging water through the spiracle.

以肯定，它的嘴巴间接地与喷水管道相通；但是，无法证明这种结构的目的是为通过喷水孔排水。

On every side the seven gables pointed sharply towards the sky, and presented the aspect of a whole sisterhood of edifices, breathing through the spiracles of one great chimney.

每一侧的七座山墙尖锐地指向天空，呈现出整个姐妹建筑的外观，通过一个大烟囱的尖顶呼吸。

You would almost think a great gun had been discharged; and if you noticed the light wreath of vapor from the spiracle at his other extremity, you would think that that was the smoke from the touch-hole.

你几乎会以为是一门巨炮在发射；如果你还注意到在它另一端的喷水孔中冒出来的一圈圈淡淡的雾气，你会以为那是大炮火门里冒出来的烟。