blowholes

鲸目动物头顶上的喷气孔,用于呼吸

The spiracle, on the top of the head, through which cetaceans breathe.

海洋冰层上供鲸目动物和鳍足类动物呼吸的孔洞。

A hole in sea ice where cetaceans and pinnipeds come to breathe.

近海岸地面洞穴的朝上开口,通向海蚀洞穴,波浪或气流从中喷出。

A top-facing opening to a cavity in the ground very near an ocean's shore, leading to a marine cave from which wave water or bursts of air are expelled.

排放蒸汽或其他气体的通风口。

A vent for the escape of steam or other gas.

铸造产品中无意形成的气泡空腔。

An unintended cavity filled with air in a casting product.

机箱顶部垂直开口,使热空气(主要来自CPU散热器)迅速排出。

A vertical opening in the top of a computer case that lets hot air (primarily from the CPU heat sink) escape quickly.