它的头骨也是没有气孔的，这是鲸类动物为潜水而作出的另一适应。
The skull also lacks a blowhole, another cetacean adaptation for diving.
扫描电镜下地肤与其他药材的胞果、毛茸和气孔的形态特征有区别。
Kochia scoparia differed from the substitutes in utride, trichome and stoma under SEM.
鼻子就是有气孔的一块肉，它让你喘气和闻气味，还可以帮忙保护眼睛。
A nose is basically a lump of flesh with air holes in it. It enables you to breathe and smell; it also helps protect your eyes.
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