学个词 Learn A Word: 3551 invoke 调用，实行

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今天我们要学的词是invoke. Invoke is spelled I-N-V-O-K-E, invoke.

Invoke的意思是调用，实行。

U.S. President Donald Trump has invoked the Defense Production Act,which would ensure that the private sector increases manufacturing anddistribution of certain emergency medical supplies and equipment.美国总统特朗普启用《国防生产法案》，以确保私营企业增加某些应急医疗用品和设备的制造和分销。

TheEuropean Union invoked the solidarity principle when it assigned each EU countrya fixed quota of migrants and refugees to accept during the 2015 migrant crisis.在2015年移民危机时期，欧盟根据休戚与共的原则要求每个成员国接收固定配额的移民或难民。

好的，我们今天学习的词是invoke,invoke, invoke.