It is not as harmful as iodine-131, but can still damage DNA and cause cancers long after iodine-131 has decayed to insignificance.

铯- 137的危害不像碘- 131那么大，但也能破坏DNA并诱发癌症。而且能在碘- 131已经衰变减弱到无害之后很久依然有危害。

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The main switches will connect supply input with output in 1x mode until the output voltage has decayed to less than or equal to the voltage at the supply input.

当输出电压衰减到等于或小于电源电压时，输出电压端将连接到电源电压上；

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In practice, the agency system has decayed. Most "agents" now sell only to themselves or their immediate family.

实际上，这种代理制已经衰退。现在，大多数“代理人”都只把产品卖给自己或亲近的家人。

《柯林斯英汉双解大词典》

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