1. 种，品种
2. 拉紧
3. 张力
4. 过劳
5. 笔调
6. 族，系
7. 扭伤
8. 倾向
9. 气质
10. 语气
11. 紧张，紧张状态
12. 操心
13. 失常
14. 血缘，世系
15. 情调
16. 旋律

1. （被）过滤
2. 滥用，过度使用
3. 拖紧，（被）拉紧，用力拉
4. 伸张
5. 竭力喊
6. 使过劳
7. 紧抱，紧拉，紧拖
8. 变形
9. 渗出
10. 紧靠
11. 尽力，拼命努力，使劲，竭力，尽全力
12. 抽紧，扯紧
13. （使）紧张，绷紧
14. 尽量使用，尽量利用
15. 拉，拖
16. 扭歪，弯曲，歪曲，曲解
17. 快要折断
18. 不肯接受，以为不可
19. 尽力睁大（眼）
20. 超越…之所及
21. 损伤，拉伤，扭伤
22. 使不堪承受
23. 勉强
24. 用力推
25. 受困

1. vt. & vi. 拉紧 stretch tightly by pulling
2. vt. & vi. 尽量利用; 尽全力 make the greatest use of; exert one's powers
3. vt. & vi. 过滤 pass liquid through a loth or a network of fine wire

1. (physics) deformation of a physical body under the action of applied forces

2. difficulty that causes worry or emotional tension;

   "she endured the stresses and strains of life"
   "he presided over the economy during the period of the greatest stress and danger"
   

3. a succession of notes forming a distinctive sequence;

   "she was humming an air from Beethoven"
   

4. (psychology) nervousness resulting from mental stress;

   "his responsibilities were a constant strain"
   "the mental strain of staying alert hour after hour was too much for him"
   

5. a special variety of domesticated animals within a species;

   "he experimented on a particular breed of white rats"
   "he created a new strain of sheep"
   

6. (biology) a group of organisms within a species that differ in trivial ways from similar groups;

   "a new strain of microorganisms"
   

7. injury to a muscle (often caused by overuse); results in swelling and pain

8. the general meaning or substance of an utterance;

   "although I disagreed with him I could follow the tenor of his argument"
   

9. an effortful attempt to attain a goal

10. an intense or violent exertion

11. the act of singing;

    "with a shout and a song they marched up to the gates"
    

1. to exert much effort or energy;

   "straining our ears to hear"
   

2. test the limits of;

   "You are trying my patience!"
   

3. use to the utmost; exert vigorously or to full capacity;

   "He really extended himself when he climbed Kilimanjaro"
   "Don't strain your mind too much"
   

4. separate by passing through a sieve or other straining device to separate out coarser elements;

   "sift the flour"
   

5. cause to be tense and uneasy or nervous or anxious;

   "he got a phone call from his lawyer that tensed him up"
   

6. become stretched or tense or taut;

   "the bodybuilder's neck muscles tensed;"
   "the rope strained when the weight was attached"
   

7. remove by passing through a filter;

   "filter out the impurities"
   

8. rub through a strainer or process in an electric blender;

   "puree the vegetables for the baby"
   

9. alter the shape of (something) by stress;

   "His body was deformed by leprosy"
   

1.压力;负担;重负
Ifstrain is puton an organization or system, it has to do more than it is able to do.

strain的近义词

e.g. The prison service is already under considerablestrain...
监狱系统已经承受了巨大的压力。
e.g. The vast expansion in secondary education is putting an enormousstrain on the system.
中等教育的大幅扩张正对该系统造成巨大压力。

2.使不堪承受;使紧张
Tostrain something means to make it do more than it is able to do.

e.g. The volume of scheduled flights is straining the air traffic control system...
定期航班的数量正让空中交通指挥系统不堪重负。
e.g. Resources will be further strained by new demands for housing.
资源将因新的住房需求而变得更紧张。

3.(精神上的)压力，重负，紧张
strain is a state of worry and tension caused by a difficult situation.

e.g. She was tired and under greatstrain.
她身心疲惫，压力很大。
e.g. ...the stresses and strains of a busy and demanding career.
忙碌而辛苦的工作带来的巨大压力

4.带来压力的情况;造成紧张的因素
If you say that a situation isa strain, you mean that it makes you worried and tense.

e.g. I sometimes find it astrain to be responsible for the mortgage.
我有时觉得背负这笔抵押贷款很有压力。

5.应力;张力;拉力;作用力;压力
strain is a force that pushes, pulls, or stretches something in a way that may damage it.

e.g. Place your hands under your buttocks to take some of thestrain off your back...
将手放在臀部下面，减轻背部的一些压力。
e.g. A build-up ofstrain on a section of the San Andreas Fault has been detected.
已经勘测到圣安德烈亚斯断层的其中一处所承受的拉力在增强。

6.(肌肉的)扭伤，拉伤，劳损
strain is an injury to a muscle in your body, caused by using the muscle too much or twisting it.

e.g. Avoid musclestrain by warming up with slow jogging.
先慢跑热热身，免得拉伤肌肉。
e.g. ...a groinstrain.
腹股沟拉伤

7.扭伤，拉伤，损伤(肌肉)
If youstrain a muscle, you injure it by using it too much or twisting it.

e.g. He strained his back during a practice session.
他在一次锻炼中扭伤了背部。

8.努力做;竭力做;费力做事
If youstrain to do something, you make a great effort to do it when it is difficult to do.

e.g. I had tostrain to hear...
我不得不使劲去听。
e.g. Several thousand supporters strained to catch a glimpse of the new president...
几千名支持者翘首企盼能一睹新总统的风采。

9.过滤;滤掉(食物中)的液体
When youstrain food, you separate the liquid part of it from the solid parts.

e.g. strain the stock and put it back into the pan.
滤出原汁，将它放回到平底锅中。

10.气质;特性;风格;作风
You can usestrain to refer to a particular quality in someone's character, remarks, or work.

strain的反义词

e.g. There was astrain of bitterness in his voice.
他的声音听起来有些愤愤不平。
e.g. ...this cynicalstrain in the book.
该书中这种愤世嫉俗的意味

11.(病菌的)类型;(植物或其他有机物的)系，品系，品种
Astrain of a germ, plant, or other organism is a particular type of it.

e.g. Every year new strains of influenza develop.
每年都有新的流感病毒出现。
e.g. ...a particularly beautifulstrain of Swiss pansies.
一种格外美丽的瑞士三色堇

12.旋律;曲调
If you hear thestrains of music, you hear music being played.

e.g. She could hear the tinny strains of a chamber orchestra.
她能听见室内管弦乐队尖细的旋律。

13. see also: eye strain;repetitive strain injury

1. 菌株：活体[[结核]]疫苗是以不具[[传染]]性的结核[[菌株]](strain)所制,但[[卡介苗]]在美国却鲜少使用. ;活体减毒疫苗:利用培养技术制造出的活体微生物,在制程中利用添加化学药剂、改变遗传物质、或是施以物理变化,以得到减低或去除毒性的品种.

2. 拉紧：共同带来为协商(confer),共同坚定为 确认(confirm),共同发现易搞混(confound),共同做过为宽恕(condone),共同夹死为拥挤 (congest),共同给予为默许(connive) 大街上下雨为拉紧(strain),共同拉紧是束缚(constrain),

3. 品系：种以下又分亚种(变种),型,类群,菌株(品系) 菌株(品系)(strain): 表示任何由一个独立分离的单细胞繁殖成的纯种群体及其一切后代. (二)命名 命名按照<>,采用林奈氏双名法.