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1.utilities n. 公用事业；实用工具，[计] 实用程序；公共事业设备；公用程式（utility的复数）
Water supplies and other public utilities were badly affected.
供水以及其他公用事业受到了严重影响。
2.granite n. 花岗岩；坚毅；冷酷无情
He was very skilled at pointing down the blocks of granite.
他善于把花岗岩石凿平。
3.Ivory Tower n. 象牙塔（指脱离现实生活的小天地）
They don't really, in their ivory towers, understand how pernicious drug crime is.
身处象牙塔里，他们并不真正懂得毒品犯罪多么有害。
