obscuration

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美[??bskj?\'re???n]

基本釋義

n.
昏暗,暗淡,朦朧

實用例句

Smoke obscuration test applied to measure and assess the potential hazard to the obscuration of smoke.

煙模糊試驗適用于測量和評估這種危險性.

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行業(yè)英語