点击下方单词,选择对的这个单词
1. [数]求...的和)：rotate(旋转, 使旋转) | summate([数]求...的和) | donate(捐赠, 赠予)
verb
1. determine the sum of
e.g. Add all the people in this town to those of the neighboring town
Synonym: totaltottot upsumsum uptote upaddadd togethertallyadd up
2. form or constitute a cumulative effect
多通过句子记忆单词，而不是单独死记硬背。
