attains是什么意思？

attains

• v. （通常经过努力）实现( attain的第三人称单数 )，达到，获得，达到（某年龄、水平、状况）；

例句

• This plant attains to a height of 10 feet. 这种植物能长到10英尺高.
• The temperature a star attains is determined by its mass. 恒星所达到的温度取决于它的质量.
• This is the period at which the body attains maturity. 这是身体发育成熟的时期.
• After 5 days, the mass completely hardens and attains a brittle nature. 在5天以后, 山梨醇完全地硬化并且获得易碎的性质.
• A large South American freshwater food fish ( Arapaima gigas ) that typically attains a length of 3 meters ( 10 feet ). 巨体舌鱼属一种大型南美淡水食用鱼 ( 巨骨舌鱼 ) 一般长达3米 ( 10英尺 )

柯林斯高阶英汉双解学习词典释义

• VERB
  （通常指经过努力）获得，达到
  If you attain something, you gain it or achieve it, often after a lot of effort.
  例句
  Jim is halfway to attaining his pilot's licence. 吉姆就快要拿到飞行员执照了。
• VERB
  达到，进入，实现（某种状态或情况）
  If you attain a particular state or condition, you may reach it as a result of natural development or work hard to attain this state.
  例句
  ...attaining a state of calmness and confidence. 达到镇定自若、信心十足的状态