They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation.
然而，他们虽然仍呼吸着空气，却从未进化出类似于腮这种早期海洋生物的器官。
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They say they can scale it up for use in air conditioning, and aim to build 3.5-kilowatt devices – equivalent to a basic home model – which could be dotted around buildings.
The prince is a member of a group called Joint Tactical air control, or JTAC. He holds the rank of cornet — equivalent to a second lieutenant — and serves as a forward air controller.