The checkups were a good idea, but she needn't have panicked.检查是个不错的主意, 但大可不必惊慌.You needn’t feel any guilt about me.你用不着因为我而內疚。You needn't worry...你不必担心。"I'll put the key in the window." — "You needn'...
Genes are those tiny bits of biological information swapped in sexual reproduction.基因是在有性繁殖中交换的微小生物信息。We have been able to divorce sex from reproduction.我们已经能够将性和生育完全分开了。Use a black pen on white paper to ensure good repr...
abbr.adenocarcinoma in situ 原位腺癌，Associate of the Chartered Institute of Secretaries 特许秘书学会准会员，American Committee for Irish Studies 美国爱尔兰研究委员会，Association for Computing and Information Sciences 计算与信息科学协会...