调查显示,安全机制从一开始就有缺陷。

The investigation revealed that the safety mechanism was defective from the outset.

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The investigation revealed that the safety mechanism was defective from the outset.

defective 是形容词,由名词 defect(缺陷、缺点)加上形容词后缀 -ive 构成,表示"有缺陷的、不完善的"。

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