?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

accumulation
CET4

英 / əˌkjuːmjəˈleɪʃn /
美 / əˌkjuːmjəˈleɪʃn /
n. 积累;累积物;〈英〉高低学位的同时获得

复数:accumulations

1. The funds needed will mainly be drawn from accumulation within the enterprise.
所需资金主要取给于企业内部的积累。
2. And whether the community's work contributes much to an overall accumulation of knowledge is doubtful.
社区的工作对知识的全面积累是否有很大的贡献,这一点是值得怀疑的。
3. One study found that muscle loss and the accumulation of body fat around the abdomen are associated with a decline in fluid intelligence.
一项研究发现,肌肉减少和腹部体脂堆积与流体智力下降有关。
4. Phosphorus-deficient plants are often stunted, with leaves turning a characteristic dark green, often with the accumulation of anthocyanin.
缺磷植物常发育不良,叶片呈典型的深绿色,常伴有花青素的积累。
5. Ecosystems thus involve the circulation, transformation, and accumulation of energy and matter through the medium of living things and their activities.
因此,生态系统以生物及其活动作为媒介,涉及能量和物质的循环、转化和积累。