simple是什么意思？

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simple past
[英][ˈsimpl pɑːst] [美][ˈsɪmpəl pæst]
n.（动词的）一般过去式。

双语例句：
1.In short, the simple past is used to express an action that started and ended in the past.
简言之，一般过去时用来表达开始并结束于过去的行为。

2.At root, the retail giant 's recommendation system is based on a number of simple elements: what a user has bought in the past, which items they have in their virtual shopping cart, items they' ve rated and liked, and what other customers have viewed and purchased.
从根本上讲，这家零售巨头的推荐系统推荐的基础是一系列基本元素:用户过去购买过哪些商品；他们的虚拟购物车里有什么；哪些商品被他们评价或“赞”过；其它用户浏览及购买了哪些东西。

3.Understand the meaning of the simple past tense.
使学生初步了解一般过去时的意义。

4.Pretest is necessary because subjects have learned English simple past in primary five and the first term of primary six.
因为受试在五年级、六年级上学期都学习过含有英语过去式的课程，所以首先进行前测。

5.Grasp how to form the simple past tense.
掌握动词过去式的构成。
释义
（动词的）一般过去式
网络
一般过去时,过去时态,去简单式
短语
Past simple or past continuous一般过去时还是过去进行时
Past simple and past perfect简单过去时和过去完成时
简单先生。
《Mr.Simple》用诙谐隐喻的手法描写了现代人因生活在复杂繁忙的现在，毫无闲暇心情，丧失了对工作、对爱情和对梦想的激情的真实一面。希望大家能体会到生活简单的美好。