切入點的英文：
point of penetration; breakthrough point

參考例句：
  • Ecological construction was the fundament of economic development.
    生態(tài)建設(shè)是經(jīng)濟(jì)發(fā)展的根本和切入點。
point是什么意思：
n. 點；標(biāo)點；要點；尖端；得分
v. 削尖；指向；加標(biāo)點于；表明
  • That is not the point in question.
    那不是要考慮的要點。
  • orientation point
    方位點
  • A score made on a try for a point or points after a touchdown.
    觸地得分在觸地后再次發(fā)球所得的一分或幾分
penetration是什么意思：
n. 滲透；突破；洞察力
  • tip penetration
    磁頭尖插入度
  • The nail will not penetrate.
    這枚釘子釘不進(jìn)去。
  • These are the result of the penetration of the larvae into the crypts
    這些是幼蟲鉆入濾泡的結(jié)果。
breakthrough是什么意思：
n. 突破
  • to make a breakthrough; to breach
    攻破
  • Such a speedy breakthrough is rare in the history of science.
    這也是科學(xué)史上罕見的快速突破。
  • The scientists strive for a breakthrough in cancer research.
    科學(xué)家們力爭在癌癥研究方面有個突破。

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