ineffectiveness
n.无效果，不起作用，无能力
网络解释.无效；无结果；失灵；低效率
双语例句
1. 1 . The Yankees'rotation, through a combination of injuries and ineffectiveness, had recently contributed anything but stability.
洋基的先发轮值最近不稳定,伴随著受伤与无效率的投球.
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