addition

听听怎么读

英 [əˈdɪʃn]

美 [əˈdɪʃən]

是什么意思

加，增加，附加；[数]加法；增加的人或事物；

变形

复数：additions

双语释义

n.(名词)

[U]加; 加法 adding, especially calculating the total of two or more numbers
[C]增加的人〔事物〕 person or thing added or joined

英英释义

addition[ ə'diʃən ]

n.
- a component that is added to something to improve it
  "the addition of a bathroom was a major improvement"; "the addition of cinnamon improved the flavor"
  同义词：add-onimprover
- the act of adding one thing to another
  "the addition of flowers created a pleasing effect"; "the addition of a leap day every four years"
- a quantity that is added
  "there was an addition to property taxes this year"
  同义词：increasegain
- something added to what you already have
  "he was a new addition to the staff"
  同义词：accession
- a suburban area laid out in streets and lots for a future residential area
- the arithmetic operation of summing; calculating the sum of two or more numbers
  同义词：summationplus

学习怎么用

词汇搭配

用作名词 (n.)

动词+～

do addition做加法
make addition扩充

形容词+～

simple addition简单的加法
useful addition有用的添加

～+介词

addition of flour加面粉
addition to对…的添加

词组短语

in addition另外，此外

addition to sth增加

with the addition of外加

addition reaction[化]加成；加成反应

addition agent添加剂；助剂；合金元素

heat addition供热；加热

addition process加成法；加法工序

nucleophilic addition亲核加成

michael addition[化]迈克尔加成

addition polymerization加成聚合反应

更多收起词组短语

同近义词辨析

accessory, supplement, appendix, attachment, addition

这组词都有“附加物、增加物”的意思，其区别是：

accessory作“附件”解时，与attachment同义，可互换，但还指增加美观的附属品。

supplement主要指使书、报等正广更完善而额外增加的部分。

appendix指书末的附录。

attachment指用于扩大原物用途的附件。

addition仅强调数量的增加。

双语例句

用作名词(n.)

In addition to a diet, she pursues various exercises on TV.
节食以外她还随电视做体操。
In addition to an album, I gave him a pen and a pencil.
除了一本照相簿外，我还给了他一支钢笔和一支铅笔。
They eat a great deal of fruit in addition.
他们还吃大量的水果。
Addition and division are forms of computation.
加法和除法都是计算方法。
The little girl is not very clever at addition.
这个小女孩不太善于做加法。
We exhibit several addition to our product line.
我们正在展览生产线上增加的几种新产品。
just had an addition to the family, ie another child.
他们家里刚刚又添了一口人（另一个孩子）。
Ann will be a very useful addition to our team.
安来到我们队给我们增加了一员干将。

权威例句

Influence of Fe–B addition on electromagnetic wave absorption properties of RGO composite
Effects of clopidogrel in addition to aspirin in patients with acute coronary syndromes without ST-segment elevation.
Synthesis of Defined Polymers by Reversible Addition-Fragmentation Chain Transfer: The RAFT Process
Effects of grain size, Cu addition, and Nd substitution for Pr on intrinsic coercivity in cast–hot﹑ressed Pr〧e〣 magnets
Living Free-Radical Polymerization by Reversible Addition−Fragmentation Chain Transfer: The RAFT Process
(2 + 2)〤ycloaddition of o﹒uinones to N,Nヾialkyllkennylmines. Thermal or photochemical ring closure of the adducts to 2Hbenzopyran...
Living free radical polymerization with reversible addition – fragmentation chain transfer (the life of RAFT)
ChemInform Abstract: Stereoselective (2π + 4π)Type Addition Reactions of Benzocyclobutadiene with 2㏒ubstituted Tropones and 8,8Di...
Photo-induced C–H bond activation of N,N′-dialkylethylenediamine upon aza-Michael addition to 1,8-pyrenedione: facile synthesis of...
ChemInform Abstract: PHOTORK. VON NITROSOVERBINDUNGEN IN LOESUNG 22. MITT. STEREOCHEMISCHE KONSEQUENZEN DER PHOTOADDITION VON N㎞ITR...

同义词

supervention subjunction adjunction add accretion

反义词

subtraction abatement

同根词

additive additionally additional addible adder addable add

a开头的单词