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erratic
01
不稳定的, 反复无常的
having a strong potential for sudden variations or fluctuations that cannot be predicted
Example
His erratic behavior at the meeting made everyone uncomfortable.
The team's erratic performance led to unpredictable game results.
Example
The erratic movement of the pendulum made it difficult to measure time accurately.
The erratic swaying of the boat caused many passengers to feel seasick.
