unstable
/ʌnˈsteɪ.bəl/ 形容词 B2中文： 不稳定的、易变的、情绪不稳的
- Not stable. · unstable foundation· The structure is too unstable to stand safely.
- Having a strong tendency to change.
- Fluctuating; not constant. · politically unstable· The political situation remains unstable.
- Fickle.
- Unpredictable.
- Readily decomposable. · chemically unstable
- Radioactive, especially with a short half-life.
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