众所周知，词汇是GRE考试的基础。那么怎样才能掌握GRE必备的词组呢？
这里为大家总结一些常用的核心词组，希望对各位备考有帮助。
本期CRE必备词组:
run up 迅速积累
释义:
If someone runs up bills or debt, they acquire them by buying a lot of things or borrowing money.
例句
There is growing concern over the level of debt being run up by consumers.
GRE
During this process the enormous energy debt that the animal has run up through anaerobic glycolysis must be repaid, a debt that is proportionally much greater for the larger vertebrates than for the smaller ones.在这个过程中动物通过厌氧糖酵解所迅速累积的巨量的能量损失必须要偿还，与小型脊椎动物相比大型脊椎动物的损失更加严重。
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