Dmrm
数据管理参考模型
🗣️ 情景例句
He was a dull man and you had to explain things very slowly to him.
他脑筋迟钝，你必须慢慢地给他解释事情。
It makes no difference.
没关系。
Maori believe that the spirit stays with the body for three days, so during this time someone always stays with the dead person.
毛利人相信人死之后灵魂还会附体3天，因此在这段时间里一直有人守候着死者。