单词	air entrainment
释义	air entrainment noun : the incorporation in concrete or mortar of minute air bubbles (as by addition of soap or grease) to increase resilience and resistance to wear and weathering air-entrained adjective Air-entrained concrete is generally easier to work with and can be used even if not specifically called for in the plans and specifications. Gil L. Taylor, Construction Codes and Inspection Handbook, 2006 Word History First Known Use 1949, in the meaning defined above
随便看	botrytises botrytized bots Botswana botswanae Botswanan botswanas botswanian bott bott stick bottarga botted bottega bottegas botteghe bottery tree bottes Botticelli Botticellian botties bottine bottines botting bottle bottle (up)

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