strain
音标发音
- 英式音标 [streɪn]
- 美式音标 [streɪn]
- 英式发音
- 美式发音
基本解释
- n. 张力；拉紧；负担；扭伤；血缘
- vi. 拉紧；尽力
- vt. 拉紧；滥用；滤去；竭力
- n. (Strain)人名；(英)斯特兰
- n. （植物、动物的）品种；种类
词源解说
- 1400年左右进入英语，直接源自古法语的estreindre，意为拉紧，挤压；最初源自古典拉丁语的stringere，意为拉紧，绑紧。
词根记忆
- 本身是词根：拉紧
- 本身是词根，意为：拉紧
- 拉紧
- 本身为词根，意为“拉紧”
同根派生
- adj性质的同根词
- strained：紧张的；勉强的；牵强附会的；滤过的。
- n性质的同根词
- strainer：过滤器；松紧扣；用力拉的人，拉紧者。
- v性质的同根词
- strained：使紧张（动词strain的过去式和过去分词）。
用法辨析
- strain的基本意思是“拉紧”,强调过度使用、过于操劳、过于用力致使身体的某部分肌肉、器官损伤,可特指肌肉或韧带拉伤。引申指“竭尽全力…,努力…”。
- strain既可用作及物动词,也可用作不及物动词。用作及物动词时,可接名词或代词作宾语。
- strain接介词at表示“拉紧”; 接for或after表示“使劲”。
- strain与stress的区别：过度紧张（strain）是由stress（压力）产生的结果，而压力stress是相邻的物体或部分之间的相互作用，由此可导致物体形态或尺寸的改变；
- strain同sprain的比较：sprain（扭伤）是指脚踝或手腕瞬间扭伤的结果，而strain是肌肉用力过强或过久所导致的结果。
v. (动词)
英汉例句
- The sporters strained and struggled.
运动员奋力扭动摔打。 - They strained the wire between two posts.
他们拉紧了两根电线杆之间的电线。 - The mistake has caused strained relations between the manager and his staff.
这个错误造成了经理同雇员之间的紧张关系。
用作动词 (v.)
用作不及物动词: S+～(+A)
用作及物动词: S+～+ n./pron.
其他
词组短语
- strain one 's ears 竖起耳朵听
- strain every nerve 竭尽全力
- strain excessively 过分地拉紧
- strain feebly 无力地拉紧
- strain furiously 疯狂拉紧
用作动词 (v.)
～+名词
英英字典
- (PRESSURE) a force or influence that stretches, pulls, or puts pressure on something, sometimes causing damage
- (TYPE) a particular type or quality
- (MUSIC) the sound of music being played or performed
- (SEPARATE) to separate liquid food from solid food, especially by pouring it through a utensil with small holes in it
- (PRESSURE) to become stretched or to experience pressure, or to make something do or experience this
- (MONEY) to cause too much of something to be used, especially money
- If strain is put on an organization or system, it has to do more than it is able to do.
- To strain something means to make it do more than it is able to do.
- Strain is a state of worry and tension caused by a difficult situation.
- If you say that a situation is a strain, you mean that it makes you worried and tense.
- Strain is a force that pushes, pulls, or stretches something in a way that may damage it.
- Strain is an injury to a muscle in your body, caused by using the muscle too much or twisting it.
- If you strain a muscle, you injure it by using it too much or twisting it.
- If you strain to do something, you make a great effort to do it when it is difficult to do.
- When you strain food, you separate the liquid part of it from the solid parts.
- A strain of a germ, plant, or other organism is a particular type of it.
剑桥英英字典
柯林斯英英字典
专业释义
- 菌株
All in all, it was suitable for the H99 strain to grow in Yan'an region.
总体来看,H99菌株适合延安地区生长。 - 品种
It is necessary to secreen the strain of Chinese Cabbage, which grows fast in low temperature during its seeding period.
所以筛选大白菜低温条件下从播种到八九片叶采收，生育期短、生长速度快的品种成为需要。 - 品系
- 应变
With theincrease of temperature, the creep strain increase and the steady state creep strain rateincreases accordingly.
随着温度的增加,蠕变应变增大,稳态蠕变应变率也相应增大。 - 适应性
Using these parameters triaxial test stress-strain curveof other confming pressure is calculated. Comparing the results calculated by this model withtest data the valid of this model is verified.
再用得到的模型参数计算了其它围压下的三轴试验曲线，与实际的试验曲线比较表明模型有较好的适应性。能源科学技术
- 菌种
This bacterial specie is gram-negative and rod-shaped, judged by Gram strain.
经革兰氏染色观察，可判断该菌为革兰氏阴性菌，菌种的形状为短杆状。医药科学
- 劳损
- 品系
And heritability of deltamethrin resistance of TZ-D strain is low（h2=0.016）.
TZ-D品系对溴氰菊酯的抗性遗传力为较低（h2=0.016）。生物学
- 品种
- 株
- 菌株
- 毒株
- 品系
- 张力
- 应变
- 菌株;系
- 品系;应变;毒株
- 菌株
Strain Y7 screened with higher activity was used to produce lipase.
以筛选出的活性较高菌株Y7生产脂肪酶。 - 株
- 品系;应变
- 拉力
- 应变
- 紧张
In recent years, the strain and conflict of the judicature and media caused extensive concern of the academic circles.
近年来,司法与传媒的紧张与冲突引起了学术界的广泛关注。交通运输工程
- 拉紧
- 应变
- 菌株
- 应变
- 形变
- 应变
- 应变