Two cases must be distinguished: soft - formate and hard - format.需区别两种情况: 软格式和硬格式.The isodecyl formate is considerably more stable to hydrolytic attack than the isodecyl otrhoformate.甲酸异癸酯,较原甲酸异癸酯对水解的破坏作用要安定得多.There are...
无数的是非颠倒使过去的岁月伤痕累累。The past has been scarred by countless perversions of justice.无数的难民饱受生活颠沛流离之苦。Millions of refugees have suffered a total dislocation of their lives.火山爆发,把无数的石块抛向天空.A volcano erupted and propelled rocks ...