unstable是什么意思？

unstable

英[ʌnˈsteɪbl] 美[ʌnˈstebəl]

• adj. 不稳固的，不坚定的，易变的，反复无常的；

例句

• He was the most unstable kind of fool I had ever seen. 他是我所遇见过的最反复无常的傻瓜。
• The patient’s condition was unstable. 那患者的病情不稳定。
• This bookcase is too unstable to hold so many books. 这书橱很不结实, 装不了这么多书。
• He quickens the indolent, encourages the eager, and steadies the unstable. 他使懒惰的活跃, 使热心的获鼓励, 使摇摆者稳定.
• Vortexing can cause unstable pump operation, vibration, pulsation and severe mechanical damage. 涡流可能会导致泵运行不稳定 、 振动 、 跳动和严重的机械破坏.
• David's mother was unstable and moody. 戴维的妈妈情绪不稳定，心情也不好。
• She was physically delicate and psy-chologically unstable. 她身体孱弱，心理上也不够稳定。
• When the plate becomes unstable, it buckles laterally. 当板失去稳定时, 就发生横向屈曲.
• The hydroperoxides are unstable compounds. 氢过氧化物是不稳定的化合物.
• The unstable nature of 16 resulted in hydration. (16)的不稳定性导致加水反应.

反义词

• adj.
  unstable的反义词之：动摇的;不安定的
  stable,
• unstable的反义词之：其他释义
  stable,

英语六级真题

How unstable the West Antarctic ice sheet is.
出自-2010年12月听力原文
Surrounded by open ocean, it is also vulnerable, but Antarctic experts disagree strongly on just how unstable it is
出自-2010年12月听力原文

柯林斯高阶英汉双解学习词典释义

• ADJ-GRADED
  不稳定的；不可靠的；动荡的
  You can describe something as unstable if it is likely to change suddenly, especially if this creates difficulty or danger.
  例句
  After the fall of Pitt in 1801 there was a decade of unstable government... 1801年皮特倒台后，政府经历了10年的动荡。 The situation is unstable and potentially dangerous. 情况不稳定，可能有危险。
• ADJ-GRADED
  不牢固的；松脱的
  Unstable objects are likely to move or fall.
  例句
  Both clay and sandstone are unstable rock formations. 黏土和砂岩都是不牢固的岩石构造。
• ADJ-GRADED
  （情绪）不稳定的，波动的
  If people are unstable, their emotions and behaviour keep changing because their minds are disturbed or upset.
  例句
  He was emotionally unstable... 他情绪不稳定。 Coleridge was also a highly unstable person. 科尔里奇还是个情绪非常不稳定的人。

英汉词典释义

• adj.
  不稳固的;不结实的
  This bookcase is too unstable to hold so many books. 这书橱很不结实, 装不了这么多书。
  易变的;不稳定的
  The patient’s condition was unstable. 那患者的病情不稳定。
  (人)反复无常的;动摇不定的
  He was the most unstable kind of fool I had ever seen. 他是我所遇见过的最反复无常的傻瓜。

英英词典释义

• Adjective
  1. lacking stability or fixity or firmness;
  "unstable political conditions""the tower proved to be unstable in the high wind""an unstable world economy"
  2. highly or violently reactive;
  "sensitive and highly unstable compounds"
  3. affording no ease or reassurance;
  "a precarious truce"
  4. suffering from severe mental illness;
  "of unsound mind"
  5. disposed to psychological variability;
  "his rather unstable religious convictions"
  6. subject to change; variable;
  "a fluid situation fraught with uncertainty""everything was unstable following the coup"

行业词典

• 体育： 不稳定式；