凹
例句与用法
- The rotor has recesses in its three faces between the lobes .
转子在其凸角之间的三个面上有凹槽。 - The graph of a concave function is always below its tangent .
一个凹函数的图象总在它的切线的下方。 - The small pits that form on the surface act as stress raisers .
在表面形成的小凹坑起到应力增高源的作用。 - The rocks were folded by collapsing into the center of the trough .
岩石由于坍陷进入凹槽的中心而发生褶皱。 - There is hollow in the thickened wall of a uterus into which the placenta grows .
在变厚的子宫壁上有一凹处,胎盘就长在里面。 - Atoms of a row are comfortable in each trough between the atoms of the neighbouring row .
一排原子安处在邻排原子之间的凹沟里。 - The clustered houses of the village peeped out from the woody hollow below .
村庄里团团簇簇的房屋,从林木葱笼的凹地中探出头来。 - The fovea has only cones, and the blind spot or papilla has no receptors .
中央凹的部分只有锥细胞,而盲点或神经乳头部分无视细胞。 - The only little change that the face ever showed resided in the two compressions or dints .
这面孔上所仅有的小变动全在这两个凹处或瘪处。 - The dashed lines on the rotors show the locations of the recesses and how deep they are .
转子上面的虚线就示出了凹槽的局部位置及其深度情况。
用"凹"造句