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keenness的音標(biāo)：...

n.敏銳...

This hard work has drained away my keenness.這種艱苦的工作削弱了我的銳氣.Mischievous little beggars they are, both of them, but talk about keenness!這倆小家伙淘得要命, 可顯起積極呀, 嘿!A few weeks'hsrd work should damp down his keenness.幾星期的艱苦工作...