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strain

美[streɪn] 英[streɪn]

n. 拉紧；紧张；血统；笔调；（动植物或疾病的）品种

v. 拉紧；劳累；过分使用

过去式：strained 过去分词：strained 现在分词：straining 第三人称单数：strains

近义词：stretch，tighten，unstrain，relax，

n.(名词)

v.(动词)

v.(动词)

Noun

(physics) deformation of a physical body under the action of applied forces
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"
a succession of notes forming a distinctive sequence;
"she was humming an air from Beethoven"
(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"
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"
(biology) a group of organisms within a species that differ in trivial ways from similar groups;
"a new strain of microorganisms"
injury to a muscle (often caused by overuse); results in swelling and pain
the general meaning or substance of an utterance;
"although I disagreed with him I could follow the tenor of his argument"
an effortful attempt to attain a goal
an intense or violent exertion
the act of singing;
"with a shout and a song they marched up to the gates"

Verb

to exert much effort or energy;
"straining our ears to hear"
test the limits of;
"You are trying my patience!"
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"
separate by passing through a sieve or other straining device to separate out coarser elements;
"sift the flour"
cause to be tense and uneasy or nervous or anxious;
"he got a phone call from his lawyer that tensed him up"
become stretched or tense or taut;
"the bodybuilder's neck muscles tensed;" "the rope strained when the weight was attached"
remove by passing through a filter;
"filter out the impurities"
rub through a strainer or process in an electric blender;
"puree the vegetables for the baby"
alter the shape of (something) by stress;
"His body was deformed by leprosy"

～+名词

～+介词

用作名词(n.)

The rope finally broke under the strain.绷紧的绳子终于断了。
The tugs took up the strain and the ocean liner edged away from the quayside.拖船开始拉紧了，远洋客轮徐徐离开了码头。
All her senses were on the strain when the test was going on.测试时，她所有的感官都处于紧张状态。
A sudden and severe strain was placed upon us by the cutting off of these supplies.由于供给突然被切断，我们感到了沉重的压力。
The Germany strain in him makes him like philosophy.他的德意志民族的血统使得他喜欢研究哲学。
He created a new strain of sheep.他培育出一个新的绵羊品种。
Any flu epidemic is worrisome, especially when a new strain of flu bug is involved.任何流感大流行都令人不安，特别是当一种新型毒株介入的时候。

用作动词(v.)

Too heavy a load will strain the rope to its breaking point.负载过重会把绳子拉紧到崩断的地步。
A warm-up is important before a run so as not to strain any muscles.为了避免拉伤肌肉,跑步前做做准备活动很重要。

v.(动词)

strain

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