accretion
柯林斯词典
1. N-COUNT An accretion is an addition to something, usually one that has been added over a period of time. 累加物[正式]
The script has been gathering editorial accretions for years. 該劇本經歷了多年的脩改加工。
2. N-UNCOUNT Accretion is the process of new layers or parts being added to something so that it increases in size. 累積[正式]
A coral reef is built by the accretion of tiny, identical organisms. 珊瑚礁是由相同的微生物累積形成的。
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