词汇	battledore placentae
释义	battledore placentae 球拍状胎盘
随便看	topological division ring topological dynamical system topological dynamics topological electronegativity index topological elementary excitation topological embedding topological entanglement topological entity topological entropy Topological entropy of crazy dynamics topological entroy topological equicontinuity topological equivalence topological equivalent topological equivalent transformation topological ergodicity topological error Topological evolution topological extension topological facility topological feature topological features constitution topological field topological forcasting topological formula