Nor is it clear how long its protective shield will be down.

而磁极的防护屏何时将失效也同样是不清楚。

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Your doctor may ask you to wear an eye patch or protective shield the day of surgery.

手术后的当天，医生可能会建议您戴保护性的眼罩。

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Because a new study shows that fluoride forms a thinner protective shield than experts thought it did.

这么说是因为一项新研究表明氟化物形成的保护膜比专家们料想的还有薄。

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The Olympic protective shield will include 1, 000 members of an anti-aircraft artillery unit.

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How protective is this shield in the face of perfect information about goods and services?

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Department of Correction spokeswoman Kelly Nantel said Geoghan had been held in protective custody to shield him from the general prison population, but he still had some contact with other inmates.

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