a cumulation of + noun
用于具体物体的堆积，可数。
A cumulation of old newspapers filled the garage.
一堆旧报纸堆满了车库。
累积；堆积；蓄积
自由贸易协定对原产地规则在计算进口关税、配额等方面的影响；蓄积；[经] 累计帐户
a collection of objects laid on top of each other
自由贸易协定对原产地规则在计算进口关税、配额等方面的影响
The effect of free trade agreements on the rules of origin in calculating importation tariffs, quotas, etc.
The gradual cumulation of dust on the shelves made them look grey.
架子上灰尘的逐渐累积使它们看起来灰蒙蒙的。
用法提示：这里cumulation是名词，表示灰尘一层层堆积的结果。
A thick cumulation of leaves blocked the drain in the yard.
院子里厚厚的落叶堆积堵住了排水管。
用法提示：cumulation在此指落叶堆积起来的一堆，作主语。
The cumulation of old boxes in the garage took up all the space.
车库里旧箱子的堆积占用了所有空间。
用法提示：句中的cumulation是名词，指物体层层叠放的堆积状态。
用于具体物体的堆积，可数。
A cumulation of old newspapers filled the garage.
一堆旧报纸堆满了车库。
用于抽象事物的累积，强调过程或结果。
The cumulation of data over years enabled the analysis.
多年数据的积累使得分析成为可能。
grammar · medium
易错句子We need to cumulation the data.
正确表达We need to cumulate the data.
动词误用：cumulation是名词，不能作谓语。应使用动词形式cumulate。
grammar · medium
易错句子The cumulation for errors is increasing.
正确表达The cumulation of errors is increasing.
介词搭配错误：cumulation表示'...的累积'，应使用介词of而非for。
‘accumulation’ 指的是逐渐增加的过程，而不是简单的堆叠。
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