英语词汇“out of the blue”的读音、翻译、释义、用法及例句-智慧网

词汇	out of the blue
释义	out of the blueout of the blue1.■出其不意; 出乎意料Her son, who left her more than thirty years ago, came out of the blue.她三十多年前离开的儿子出乎意料地回来了。
随便看	Roots type gas exhauster Roots type super-charger root suberization root subspace root sucker root sum square root-sum-square value root supports root surface Roots vacuum pump root swelling root system root system basis root system branches root system extend through the soil root system of a semi-simple Lie algebra root test root thickness root thorn root-time law root tip root tip chromosomes root tips of mature embryos root tissue root top of onion

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