艰苦努力
- n.strenuosity
- 网络concentrated effort
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艰苦努力
strenuosity
什么意思... ... strenuously 勤奋地;费力地 strenuosity 费力;艰辛;艰苦努力 Strenuous Vibration 剧烈震动 ...
concentrated effort
亚马逊英语培训 | 亚马逊 | 亚马逊英语 |... ... 价值 value 艰苦努力 concentrated effort 经济回报 financial reward ...
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