名詞 breakthrough:

1. a productive insight
   同義詞：discovery, find
2. making an important discovery
3. a penetration of a barrier such as an enemy's defense

1. "We are glad to see the breakthroughs, " he added, "but we don't want the television audience, society in general, to think that a few blacks making it can excuse all of the indignities, all the injuries, all of the lack of opportunities for all the rest of the blacks."
   "我們很高興看到這些突破，"他又說，"可是我們不要電視觀眾和社會一般人士認(rèn)為，因為有幾個黑人成功了就可以原諒對其余黑人所有的污辱、所有的傷害以及所有喪失的機會。"
2. Several of our research discoveries have been adapted for commercial use, and one particular breakthrough in linear hydraulics is now being used by every oil company in the country.
   我們的幾項研究發(fā)明經(jīng)轉(zhuǎn)化已被應(yīng)用于商業(yè)領(lǐng)域，特別是在線性液壓方面的一項突破性成果現(xiàn)在被國內(nèi)各家石油公司采用。
3. 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。

break.through

n.（名詞）
An act of overcoming or penetrating an obstacle or restriction.
突破：克服或穿越障礙或限制的行為
A military offensive that penetrates an enemy`s lines of defense.
突圍：突破敵人防線的軍事攻擊
A major achievement or success that permits further progress, as in technology.
重大成就：允許進一步發(fā)展的主要成就或成功，如在技術(shù)上