英语词汇“helpless”的读音、翻译、释义、用法及例句-智慧网

词汇	helpless
释义	helplesshelplessD.J.:[ˈhelplis]K.K.:[ˈhɛlplɪs]adj.1.■不能自立的, 需要他人帮助的2.■无助的, 无保护的They felt helpless to do anything about it.他们对这事感到无能为力。
随便看	phase-plane diagram phase plane method phase plane portrait phase plane technique phase-plate phase plate phase portrait phase position phase position condition cut-over phase predominance area diagram phase propagation time difference phase pushing figure phase quadrature phase quadrature modulation phase quantization phaser phase ratio phase reaction phase reference phase-reference alternator phase reference voltage phase region phase-regulated rectifier phase regulator phase relation

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