英语词汇knife-edge怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	knife-edge
释义	knife-edgen. 1 the edge of a knife 刀刃，锋刃 2 a position of extreme danger or uncertainty 十分危险状态；摇摆不定的环境；极微妙状态 3 a steel wedge on which a pendulum etc. oscillates (钟摆等的)刃形支承 4 = ARÊTE
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