1. in series with : 与...相连；

2. in series : 连续地；

3. a series of : 一连串；

1. This publishing firm is planning a new series of school textbooks.
    这家出版公司正打算出一套新的系列教材。

2. Then began a series of wet days that spoiled our vacation.
    之后就是一连串的下雨天，把我们的假期弄得一团糟。

3. He saw a series of white arrows painted on the road.
    他看见马路上画有一连串白色箭头。

A：I don't understand why we have to memorize conversations.We need more vocabulary, not pronunciation.
      我弄不懂为什么我们一定要记住会话。我们需要的是词汇，而不是发音。

B：Don't you think memorizing conversations is a part of learning vocabulary?Every time we memorize a conversation, we're memorizing a whole series of contexts.Each context tells us one way a word can be used.I know from my own language that I can't always use words by simply looking them up in a dictionary and then putting them into sentences. Some words have many meanings. We have to know which meanings go where.
      你不认为记住会话是学习词汇的一个组成部分吗？每当我们记住一句会话，我们就记住了全部的上下文。而这上下文可以供我们了解一个单词的一种用法。我从自己的语言中意识到，光靠查词典然后把这些词汇拼成句子，并不意味着会正确使用这些词。有些意识有很多解释。我们必须弄清楚在哪种情况下适用哪一种解释。

1. series

1. 串联：此外,电子元件的特性除了电阻(R)及电抗(X)外,还有品质因子(Quality)及损串联(Series)及并联(Parallel)显示. 在串联模式时,阻抗可以简单的加法求出等效造成量测的误差. 改善之道是将一片守护板(Guard Plate)置於量测夹具的正和负端守护板(Guard Plate)可降低杂散电融效应表示,

2. 级数：对传统的、视觉上确定的几何学的这种摧毁,最明晰的例证,在我看来,莫过于把角函数--在印度数学中,它便是数字(我们的心智几乎无法理解印度人的这个词的含义)--转化成周期函数,由此而进入无穷的数字王国,在那里,角函数变成了级数(series),不再留有欧几里得

3. 公共查询·英语单词

3. 系：群(group), 组(section), 系(series):这些类群名称用在不同场合,常常有非常不同的含义,可以是种水平系睦嗳,也可以代表属以系燃兜姆掷嗟ピ的集合.

1. 一连串;一系列;连续;接连
    A series of things or events is a number of them that come one after the other.

    e.g. ...a series of meetings with students and political leaders.
           与学生和政治领袖的一系列会面
    e.g. ...a series of explosions.
           一连串的爆炸事件

2. (广播或电视的)系列节目,系列片
    A radio or television series is a set of programmes of a particular kind which have the same title.

    e.g. ...the TV series ''The Trials of Life'' presented by David Attenborough.
           由戴维·阿滕伯勒主持的电视系列片《生命之源》
    e.g. ...the world''s longest-running radio series, Britain''s ''The Archers''.
           世界上最长的广播剧，英国的《阿彻一家》

1. (mathematics) the sum of a finite or infinite sequence of expressions

2. a periodical that appears at scheduled times

    Synonym: serialserial publication

3. a serialized set of programs

    e.g. a comedy series
           the Masterworks concert series

    Synonym: serial

4. (sports) several contests played successively by the same teams

    e.g. the visiting team swept the series

5. similar things placed in order or happening one after another

    e.g. they were investigating a series of bank robberies

6. a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection

    e.g. the Post Office issued a series commemorating famous American entertainers
           his coin collection included the complete series of Indian-head pennies

7. (electronics) connection of components in such a manner that current flows first through one and then through the other

    e.g. the voltage divider consisted of a series of fixed resistors