| 单词 | step up |
| 释义 | step up 1. 2. < the amount of salt mined can be materially stepped up — R.E.Crist > < radio and television have stepped up … the tempo of the news — F.L.Mott > 3. < you're going to be stepped up to head clerk — Frederick Way > intransitive verb 1. < time for teachers to step up and say that there is nothing wrong with teaching something — James Binney > 2. < world trade is stepping up — Kiplinger Washington Letter > 3. < stepping up to the chief executive's chair — Current Biography > |
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