单词：centripetal force
centripetal force的用法和样例：
例句
- The centripetal and centrifugal forces acting in opposition to each other keep our planet in her orbit.向心力和离心力互相对峙的缘故，遂能使行星在轨道上行动。
- Large urban areas in the north-east residents gathered centripetal role of the ordinary business of Yansha provided abundant consumer customer groups.庞大的市区东北部居民聚集区在向心力的作用下，为燕莎的市井商业提供了充沛的消费客户群体。
- centrifugal force[物]离心力
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