单词	perienteron
释义	perienteron noun peri·​enteron ¦perē+ : the space between the inner and outer gastrular walls of an embryo : the primitive body cavity —distinguished from archenteron Word History Etymology New Latin, from peri- + enteron
随便看	explosion gun explosion shot explosions explosive explosive evolution explosive oil explosive rivet explosive train explosively explosiveness explosivenesses explosives expn expo exponence exponent exponential exponential curve exponential equation exponential function exponential horn exponential series exponentially exponentials exponentiation

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