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earthquake
earth·quake / 5LW7kwek ; 5\:WkweIk /noun C
1. a sudden shaking of the earth's surface that often causes a lot of damage地震:
An earthquake measuring 6.1 on the Richter scale struck southern California on June 28.6 月 28 日加州南部地区发生了里氏 6.1 级地震。
The city is in an earthquake zone.该城市位于地震区。

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