contraction 词态变化
复数: contractions;
contraction 中文词源
contraction 收缩来自contract, 收缩。
contraction 英文词源
- contraction (n.)
- late 14c., "action of making a contract" (especially of marriage), also "action of shrinking or shortening," from Old French contraction (13c.), or directly from Latin contractionem (nominative contractio), noun of action from past participle stem of contrahere (see contract (n.)). Meaning "action of acquiring (a disease) is from c. 1600. Grammatical sense is from 1706; meaning "a contracted word or words" is from 1755. Contractions of the uterus in labor of childbirth attested from 1962.
contraction 英文释义
- 1. (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
- 2. the process or result of becoming smaller or pressed together;
- "the contraction of a gas on cooling"
- 3. a word formed from two or more words by omitting or combining some sounds;
- "`won't' is a contraction of `will not'"
- "`o'clock' is a contraction of `of the clock'"
- 4. the act of decreasing (something) in size or volume or quantity or scope
contraction 双语例句
- 1. The contraction of muscles uses energy and releases heat.
- 肌肉的收缩消耗能量并且释放热量。
来自柯林斯例句
- 2. the expansion and contraction of the metal
- 金属的膨胀与收缩
来自《权威词典》
- 3. Contraction of the timbers left gaps in the fence.
- 木料收缩,结果围墙露出缝来.
来自《简明英汉词典》
- 4. The forces of expansion are balanced by forces of contraction.
- 扩张力和收缩力相互平衡.
来自《简明英汉词典》
- 5. "It's" (with an apostrophe) should be used only as a contraction for "it is".
- it's（带撇号）只能用作itis的缩约形式。
来自柯林斯例句
contraction 实用场景例句
- The sudden contraction of the markets left them with a lot of unwanted stock.
- 股票市场骤然收缩，让他们剩下了许多无人要的股票。
牛津词典
- The contractions started coming every five minutes.
- 子宫开始每隔五分钟收缩一次。
牛津词典
- ‘He's ’ may be a contraction of ‘he is ’ or ‘he has ’.
- he 's可以是he is或he has的缩约形式。
牛津词典
- the expansion and contraction of the metal
- 金属的膨胀与收缩
牛津词典
- 'It's' (with an apostrophe) should be used only as a contraction for 'it is'.
- it's (带撇号)只能用作 it is 的缩约形式。
柯林斯高阶英语词典
- The global convergence of under the same conditions and contraction method.
- 在相同条件下,我们证明了此方法的全局收敛性.
期刊摘选
- Pulse: Pressure wave in the arteries from contraction of the heart.
- 脉搏: 心脏收缩造成的动脉中的压力波动.
期刊摘选
- Obviously, if the various bars sustain forces they will undergo extension or contraction.
- 很明显, 如果各杆受力,就会发生伸长或缩短.
辞典例句
- Independent economists think that even a 2.2 % contraction in GDP is wildly optimistic.
- 独立经济学家认为,即便2.2%的GDP收缩幅度也过于乐观.
期刊摘选
- Convulsion: an intense, paroxysmal, involuntary muscular contraction.
- 抽搐: 一种强烈的 、 阵发性的 、 不自觉的肌肉收缩.
期刊摘选
- The combined contraction of the atria and ventricles is a heartbeat.
- 心房和心室的这一系列动作合称为一次心跳.
期刊摘选
- The relativistic length contraction makes the lion flat as paper.
- 相对论长度收缩导致狮子像一张纸一样平.
期刊摘选
- Eventually the star's contraction slows down.
- 最后,恒星的收缩终于慢了下来.
辞典例句
- The earliest change histologically seen acute myocardial infarction in the first day is contraction band necrosis.
- 急性心肌梗死第一天组织学上表现为明显的收缩带坏死.
期刊摘选
- Below 4, water is in continuous expansion instead of continuous contraction.
- 水在4度以下就不断地膨胀,而不是不断地收缩.
期刊摘选
- This contraction increases the volume of the thoracic cavity and lowers the pressure inside the lungs.
- 这个收缩活动增加了胸腔的容积,降低了肺部的压力.
期刊摘选
- Contraction of the timbers left gaps in the fence.
- 木料收缩,结果围墙露出缝来.
《简明英汉词典》
- I generate my own electricity, and send out impulses to trigger contraction.
- 我给自己发电, 发出兴奋波,引起收缩.
辞典例句
- Longitudinal contraction deformation: The component contracts in the weld direction after welding.
- 纵向收缩变形: 构件焊后在焊缝方向上发生的收缩.
期刊摘选
- However, the next day opened low, or volume contraction, can not be sold.
- 然而, 第二天开盘走低, 或者成交量萎缩, 难以卖出.
期刊摘选
- I suspect that this force accounts for half of the economic contraction at present.
- 有三个因素推动了经济的下滑.
期刊摘选
- The least unitary looking contraction operator is 0.
- 看来最不象酉算子的压缩算子是0.
辞典例句
- It also studied a typical thermoelectric couple, got the gas buoyancy distribution and best reed contraction.
- 同时以某热电偶为例,进行了实际分析, 得出了气体浮力的分布情况和簧片的最佳变形量.
期刊摘选
- The hormone that stimulates gall bladder contraction was called cholecystokinin.
- 刺激胆囊收缩的激素被称为胆囊收缩素.
辞典例句
- A second protein, myosin, is involve in the contraction of muscle cells.
- 第二类蛋白是肌球蛋白, 它与肌肉细胞的收缩有关.
期刊摘选
- There was a massive monetary contraction, which was responsible for the severity of the downturn.
- 美联储大规模收紧货币政策, 是那场衰退如此严重的原因.
期刊摘选
- Intestinal wall of muscle contraction will be inadequate description of the normal digestion.
- 肠道壁肌肉的不充分收缩将说明具有正常的消化能力.
期刊摘选
- The forces of expansion are balanced by forces of contraction.
- 扩张力和收缩力相互平衡.
《简明英汉词典》
