摘要：sense--> to feel （来自于拉丁语 sensus） 词根sent/sens 表示感知 sentiment 感情 consent consensus con- 一起， 一起的感知，同意共识 consentient consentaneous 同意的 dissent 不同意 dissens 阅读全文

摘要：spring： none: the season between winter and summer when leaves and flowers appear: the spring of 1993; in the spring; late/early spring something, usu 阅读全文

摘要：第一种解法： 第二种解法： sql 中有一系列 聚合函数： sum, count, max, avg, 这些函数作用域多条记录上 select sum(population) from b_table; 而通过group by 子句， 可以让sum和 count 这些函数对于属于一组的数据起作用。 阅读全文

摘要：a collocation is two or more words that often go together. These combination just sound "right" to native english speaker. 'commit a crime' is a typic 阅读全文

摘要：digest /ˈdaɪdʒest/: to change food that you have just eaten into substances that your body can use; or to understand new information, especially when 阅读全文