单词	bell-shaped
释义	bell-shaped adjective ˈbel-ˌshāpt  1 : shaped like a bell 2 : relating to or being a normal curve or a normal distribution Word History First Known Use 1744, in the meaning defined at sense 1
随便看	Tz'u-chou Tz'u-hsi tzaddik tzaddikim tzaddiks tzar tzar, tzarevitch, tzarina, tzarism tzardom tzardoms tzarevitch tzarevitches tzarevnas tzarina tzarinas tzarism tzarisms tzarist tzarister tzaristest tzarists tzaritzas tzars tzatziki tzatzikis tzedakah

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