The spelling cutting-edge is used for meaning 3. 拼写cutting-edge用于义项3。
1 N-SING [usu at/on the N of n] (某事物发展的)尖端，最前沿，领先阶段 If you are at the cutting edge of a particular field of activity, you are involved in its most important or most exciting developments. (某事物发展的)尖端，最前沿，领先阶段
2 N-SING 有利方面;优势 If someone or something gives you a cutting edge, they give you an advantage over your competitors. 有利方面;优势
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If Pearce had been fit, we would have won. We missed the cutting edge he would have given us.
要是皮尔斯没生病，我们就赢了。我们失去了他这个优势。
3 ADJ [usually ADJ n] 最前沿的;最先进的;尖端的 Cutting-edge techniques or equipment are the most advanced that there are in a particular field. 最前沿的;最先进的;尖端的
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What we are planning is cutting-edge technology never seen in Australia before.
我们正在开发的是一种在澳大利亚从未有过的尖端技术。
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Some of what is happening at Packard is cutting-edge medicine.
正在帕卡德那里进行的某些研究属于前沿医学范畴。
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