a scientific breakthrough的用法和樣例：
例句
- Some of the newcomers may have surpassed their teachers in scientific achievement,but that only makes the teachers'contributions all the more precious.
儘管有些新人在科學成就上超過了老師，他們老師的功績還是不可磨滅的。 - His scientific achievements included accurate calculations of latitude and longitude and explanations of natural springs by the laws of hydrostatics.
其科學成就包括對緯度和經度的精確計算，用流體靜力學定律對天然泉水作了解釋。
