unstable

大学 FREQ #6911 ★☆☆☆☆

a. 不稳定的

发音

其它 /ʌnˈsteɪ.bəl/

词形变化

unstables 三单 unstables unstabling unstabling 现在分词 unstabled 过去式 unstabled 过去分词 more unstable 比较级 unstabler unstablest most unstable 最高级

教材释义与例句

形容词

不稳定的；动荡的；易变的

释义与例句

v.
  1. 1.

    To release (an animal) from a stable.

    及物
adj.
  1. 1.

    Not stable.

    unstable foundation

    The structure is too unstable to stand safely.

  2. 2.

    Having a strong tendency to change.

  3. 3.

    Fluctuating; not constant.

    politically unstable

    The political situation remains unstable.

  4. 4.

    Fickle.

  5. 5.

    Unpredictable.

  6. 6.

    Readily decomposable.

    化学

    chemically unstable

  7. 7.

    Radioactive, especially with a short half-life.

    物理

词汇关系

形容词

同义词 4

fluid precarious unsound mentally ill

反义词 1

stable

近义相关 10

insane rocky tender explosive crank volcanic uneasy cranky shaky volatile

参见 4

temporary unsteady impermanent inconstant

相关短语

unstable equilibrium [化] 不稳定平衡 emotionally unstable personality disorder emotionally unstable personality disorders

词源

From un- (reversive prefix) + stable.

来源：wiktionary