My professor referred me to the book Compendious System of Astronomy.我的教授让我参考《天文学系统概论》这本书.Index option should follow 4 special principles such as administrative levels sex, associated sex, compendious sex.指标选择应遵循层次性 、 关联...
他们都遵守着那条约束他们所有人的默认规则——要守口如瓶。They obey the one unwritten rule that binds them all—no talking.这条规定赋予了总统绝对及不受约束的权力。This provision gives the president total and unchecked power.自己在家锻炼需要很强的自我约束能力。Exercising at home alone requ...