★★★★★词汇（共470个)（10 ) undertake uniform unique valid validity variable variation vary vehicle version ...

★★★★★词汇（共470个)（9 ) somewhat source specific sphere stability stable statistics status straightforwar ...

★★★★★词汇（共470个)（8 ) publication purchase pursue pursuit quotation quote radical random range ratio ra ...

★★★★★词汇（共470个)（7 ) occupation occupy occur occurrence odd ongoing option optional outcome output ove ...

★★★★★词汇（共470个)（6 ) invest investigate investment investor involve isolation item journal justificati ...

★★★★★词汇（共470个)（5 ) guideline hence highlight hypothesis identical identification identify identity i ...

★★★★★词汇（共470个)（4 ) ensure entity equation equipment equivalent erosion establish establishment ethni ...

★★★★★词汇（共470个)（3 ) couple create credit criterion crucial currency cycle data decline deduce define ...

★★★★★词汇（共470个)（2 ) circumstance civil classical code coherent collapse colleague commence commit com ...

★★★★★词汇（共470个)（1 ) abandon abstract access accompany accuracy accurate achievement acknowledge acqui ...