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keep half an eye on something分神留意splash out随意花钱 大肆挥霍half a mind有想做某事go Dutch v. 各自付帐,打平伙chance in a million n. 百万分之一的机遇half the battle n. 成功了一半(有助于成功的 阅读全文
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nest egg留窝鸡蛋,养老金,储备金first base一垒的位置, <俚>跨出第一步not hold a candle to不能与 ... 相比; 比不上a bone of contention n. 争论的原因smash hit 非常受欢迎的书,十分流行的歌曲,轰动的演出back to sq 阅读全文
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一本载有许多时装照片的杂志是用带有光泽的优质纸印制的。A glossy magazine has lots of pictures of fashionable clothes and is printed on good quality paper.A magazine containing ma 阅读全文
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1 Mixer characterization DC input Bias voltage Bias Current RF input Lo input IF output 2 mixer device Schottky diode: BJT or FET :参考集成IC的datasheet 3 阅读全文
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at someone's disposal任某人处理,供某人使用to some extent在某种程度上at the latest至迟, 最迟have to必须, 不得不either or adj. 按位加的(二者择一的)hear from v. 接到...的信, 受...批评drop in on 阅读全文
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Several cryptocurrency exchanges are plagued by poor market surveillance, pervasive conflicts of interest and lack sufficient customer protections, th 阅读全文