单词	expected mean
释义	expected mean 期望平均数
随便看	subclass Metatheria subclass metatherias subclass number subclass numbers subclass of recursive set subclass Ophiurida subclass ophiuridas subclass Opisthobranchia subclass opisthobranchias subclass Ostracoda subclass ostracodas subclass Pantotheria subclass pantotherias subclass Phytomastigina subclass phytomastiginas subclass Prototheria subclass prototherias subclass Rhizopoda subclass rhizopodas subclass Rosidae subclass rosidaes subclass Selachii subclass selachiis subclass Synapsida subclass synapsidas 东播西流东支西吾东敲西逼东方不亮西方亮东方千骑东方将白东施效颦东曦既驾东望西观东来西去相称相符相等相类相约相纸相继相联相聚相若