keens
[ki:nz]

v.

（为死者）恸哭，哀号( keen的第三人称单数 )；

双语释义

adj.(形容词)

1. 锋利的 (of the points and cutting edges of knives, etc.) sharp
2. 热衷的,热心的,渴望(做某事)的 (of a person) having a strong, active interest in sth; eager to do sth
3. 激烈的,紧张的 (of a competition or struggle) done with eagerness and activity on both sides
4. 良好的; 敏锐的,敏捷的 (of mind, feelings, senses, etc.) good, strong, quick at understanding, etc.

英英释义

keen[ ki:n ]

• n.a funeral lament sung with loud wailing
• v.express grief verbally

  同义词：lament

• adj.
  • having or demonstrating ability to recognize or draw fine distinctions

    同义词：acutediscriminatingincisiveknifelikepenetratingpenetrativepiercingsharp

  • intense or sharp

    同义词：exquisite

  • very good

    同义词：bang-upbullycorkingcrackingdandygreatgroovyneatniftynot bad(p)peachyslap-upswellsmashing

  • as physically painful as if caused by a sharp instrument

    "keen winds"

    同义词：cuttingknifelikepiercingstabbinglancinatelancinating

  • having a sharp cutting edge or point

    "a keen blade"

词汇搭配

用作形容词 (adj.)～+名词

• keen edge锋利的刀刃
• keen interest强烈的兴趣

～+动词不定式

• keen to pass the examination渴望通过考试
• keen to visit that city很想去参观那个城市

～+介词

• keen about going to the picnic希望去野餐
• keen about〔on〕 music爱好音乐
• keen of hearing听力敏锐

词组短语

keen on喜爱；热衷于…

keen competition剧烈竞争

keen interest强烈的兴趣

双语例句

用作形容词(adj.)

1. The blind have a keen sense of touch.
   盲人有敏锐的触觉。
2. Their keen eyes can penetrate the water to a depth of forty feet.
   他们锐利的眼睛能透过水面看到40 英尺的深处。
3. Be brave, a fence between makes love more keen.
   勇敢点,受到阻隔的爱情会更强烈。
4. The razor has a very keen edge.
   这把剃刀有锋利的口。
5. They have a wide knowledge of everyday things, and a keen interest in their particular city and state.
   他们对日常事情所知甚广,对所在的城市和州深为关切。
6. He's keen, but his youth is a minus factor.
   他非常精明, 但他的年轻却是个不利的因素。

权威例句

Normal polysomnographic values for children and adolescents.
Sudden infant death syndrome and unclassified sudden infant deaths: a definitional and diagnostic approach.
Factors associated with the transition to nonprone sleep positions of infants in the United States: the National Infant Sleep Positi...
Obstructive sleep apnea in children with Down syndrome.
Developmental pattern of muscle fiber types in human ventilatory muscles
An Official ATS Clinical Policy Statement: Congenital Central Hypoventilation Syndrome
Childhood sequelae of infant lung disease: exercise and pulmonary function abnormalities after bronchopulmonary dysplasia
Cellular adaptations of the ventilatory muscles to a chronic increased respiratory load.
Pulmonary function abnormalities in symptom-free children after bronchiolitis
Measuring ventilatory muscle endurance in humans as sustainable inspiratory pressure.