central opening उदाहरण वाक्य

The climax of the ritual event was to cap the entire deposit with the massive limestone bannerstone, 74 centimeters in diameter with a central opening fashioned by grinding and exhibiting polish from use, and an uncarved stela, 1.48 meters in length, that laid prone over the northern portion of the bannerstone.
However, the proposal that " A . canadensis " was durophagous is also not uncontested : studies of mouthparts associated with " A . canadensis " suggested that they are in fact not tetraradial like those of " Peytoia ", but have three major axes and a small central opening, which is more suggestive of suction feeding instead of durophagy.