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单词 air quality index
释义

Air Quality Index


A measure of the quantity of harmful particles and chemicals in the air.

notes for Air Quality Index

The index is used by weather forecasters to indicate the purity of the air on a given day. The higher the index, the smoggier (see smog) and more polluted the air.

Words nearby Air Quality Index

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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更新时间:2024/11/11 17:15:01