英德
有道
百度
谷歌
图片
维基
百科
气窦 [qì dòu]
[解剖] air sinuses
- 后组筛窦的气房一般大而宽，在数量上也少于前组筛窦，容易确定。
The posterior ethmoid cells are easily identified as they are larger, wider, and fewer in number than anteriorly. - 此外，牠们的中耳附近出现了气窦，也许其中充满了海绵组织，使牠们的水中听觉无论是解析度还是方向感都提升了。
Additionally, air sinuses, presumably filled with spongelike tissues, had formed around the middle ear, offering better sound resolution and directional cues for underwater hearing. - 恩培窦可里斯相信，整体来说，大自然是由四种元素所组成的，他称之为四个“根”。这四个根就是土、气、火与水。
Empedocles believed that all in all, nature consisted of four elements, or "roots" as he termed them. These four roots were earth, air, fire, and water.
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