prolong

英式音标：[prəˈlɒŋ]

美式音标：[prəˈlɔŋ]

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概况：

vt. 延长；拖延

词义：

vt.

延长，拉长；拖延，延期；

变形

过去式：prolonged过去分词：prolonged现在分词：prolonging第三人称单数：prolongs

双语释义

v.(动词)

vt. 延长；拉长；拖延 make sth take longer;delay

英英释义

prolong[ prə'lɔŋ, 'lɔ:ŋ ]

v.

lengthen in time; cause to be or last longer

"We prolonged our stay"

同义词：protractextenddraw out

lengthen or extend in duration or space

"prolong the treatment of the patient"

同义词：sustainkeep up

用法：

同近义词辨析

suspend, defer, postpone, prolong, delay, put off

这组词都有“推延，延期”的意思，其区别是：

suspend指暂时中断以待某种条件的实现。

defer正式用词，语气强于postpone，多指故意拖延。

postpone正式用词，语气较强，多指有安排的延期，常指明延期到一定的时间。

prolong指把时间延长至超过正常或通常的限度。

delay普通用词，多指因外界原因推迟或耽误，也可指有意推迟。

put off口语用词，与postpone同义，但较通俗。

enlarge, extend, stretch, prolong, inflate, expand, increase, multiply, lengthen, add, augment, amplify

enlarge放大（照片）

extend 使…（在空间或时间上）更大，更长；伸长，伸展，延展；舒展（肢体），extend sth

stretch vt 拉长，撑大；绵延，延续

prolong人为的延长时间

inflate 使（轮胎、气球等）充气，膨胀，inflate sth (with sth)

expand 使…变大，扩大，扩展，expand sth into sth

increase 增加，增大（数目、数量、体积等），increase sth from…to…

multiply成倍的增加

lengthen指自然的延长时间或空间

add 加，添加，add sth to sth

augment vt 增多，增大，augment sth

amplify特指音量，电流等的扩大

extend, stretch, prolong, lengthen

这组词都有“伸展，延长”的意思，其区别是：

extend指时间或空间的延长，也可指影响和使用范围等的扩大。

stretch指长度的延伸以及宽度的增加。

prolong通常指时间上延长得超过了一般或正常的限度。

lengthen指把长度或期限拉长或延长，其反义是shorten。

双语例句

用作及物动词(vt.)

How can we endeavor to prolong the brevity of human life?
我们怎样才能延长短促的人生？

The meeting may be prolonged into the evening because so many problems have to be solved tonight.
会议可能要延长到夜里，因为今晚有太多问题要解决。

Low leakage current helps to prolong battery life.
低漏电流有助于延长电池使用寿命。

Clear evidence of his intent is to prolong the ritual.
显然他意在拖延典礼时间。

The defendant feigns illness to prolong the trial.
为了拖延审判,被告装病。

Don't prolong the agony just tell us the result!
别再让我们著急了--快告诉我们结果吧！

权威例句

The Improved Scheme of Prolong-Lifetime in Wireless Sensor Networks

Using mobile relays to prolong the lifetime of wireless sensor networks

Desensitized states prolong GABAA channel responses to brief agonist pulses

Amphipathic polyethyleneglycols effectively prolong the circulation time of liposomes

1α 25-dihydroxyvitamin D3and 1α -hydroxyvitamin D3Prolong Survival Time of Mice Inoculated with Myeloid Leukemia Cells

Mesenchymal stem cells suppress lymphocyte proliferation in vitro and prolong skin graft survival in vivo.

Human bone marrow mesenchymal stem cells accelerate recovery of acute renal injury and prolong survival in mice.

Metformin Selectively Targets Cancer Stem Cells, and Acts Together with Chemotherapy to Block Tumor Growth and Prolong Remission

Costimulatory Molecule-Deficient Dendritic Cell Progenitors (MHC Class II+, CD80dim, CD86-) Prolong Cardiac Allograft Survival in No...

Immature dendritic cells generated with low doses of GM-CSF in the absence of IL-4 are maturation resistant and prolong allograft su...

同义词：to hang up,stall,protract,hold off,hang up,drag out,drag on

同根词：prolonged,prolongation,prolong

英语词源：

prolong (v.)

early 15c., back-formation from prolongation or else from Old French prolonguer, porloignier (13c.), from Late Latin prolongare "to prolong, extend," from Latin pro- "forth" (see pro-) + longus "long" (adj.); see long (adj.). Related: Prolonged; prolonging; prolongable.

造句：

1. He thought this would take a heavy toll of American lives and prolong the war indefinitely.

他认为这样会使美国人的生命受巨大损失，把战争遥遥无期地拖下去。

-- 来源 -- 英汉 - 辞典例句

2. People have all along been seeking to prolong life.

人们一直在寻求长寿之道。

-- 来源 -- 英汉 - 辞典例句

3. Clear evidence of his intent is to prolong the ritual.

显然他意在拖延典礼时间。

-- 来源 -- 英汉 - 辞典例句

4. Why should we prolong this painful interview?

我们何必把这次痛苦的谈话继续下去呢？

-- 来源 -- 英汉 - 辞典例句

5. prolong a line [a visit]

把线加长 [延长访问]

-- 来源 -- 英汉 - 辞典例句

6. Hermione, at the desire of her husband, joins her intreaties to his that Polixenes would prolong his visit.

赫未温姬母就照她丈夫的意思，也跟他一起挽留波力克希尼斯再多住些日子。

-- 来源 -- 英汉 - 辞典例句

7. It was useless to prolong the discussion.

继续争下去没有用。

-- 来源 -- 英汉 - 辞典例句

8. If she went she had better go at once, to stay in London was only to prolong her woe.

要走的话最好立刻就走；留在伦敦只会延续她的悲痛。

-- 来源 -- 英汉 - 辞典例句

9. Paperback editions prolong its life and increase his income.

平装本延长了著作的寿命，使著作的收入有了增加。

-- 来源 -- 英汉 - 辞典例句

10. It is a lovely night, and why should we not prolong our ride a little?

今天晚上的夜很可爱，咱们为什么不骑马在外面多留连一会儿呢？

-- 来源 -- 英汉 - 辞典例句