open a sluice to release floodwater; 开闸泄洪
like a deflated rubber ball; dejected; 像个泄了气的皮球
give vent to personal spite; 泄私愤
give vent to one's anger [rage]; take it out on 泄怒
Xie Ye 泄冶
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)