Hurricane Katrina is widely considered the measure for a destructive storm, holding the maximum Category 5 designation for a full 24 hours in late August 2005.

卡特里娜飓风被广泛认为是破坏性风暴，在2005年8月底的整整24小时内，它的最高级别为5级。

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The full name of the polyurethane is the poly - urethane, which is a general designation of the macromolecular compound containing repeated amino acid ester groups.

聚氨酯全称为聚氨基甲酸酯，是主链上含有重复氨基甲酸酯基团的大分子化合物的统称。

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The October full moon enjoys the Harvest moon designation, because it comes 12 calendar days after the September 22 equinox.

十月的满月之所以冠上丰收之月的头衔，因为在9月22日秋分之后的12天满月了。

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Volunteers running Lochaber Geopark could not raise the funds needed to employ a full-time project officer, a requirement of the designation.

BBC: Lochaber loses Unesco geopark status