常見例句When the core temperature of the star reaches 1.3 billion degrees neon reacts to form oxygen. 儅恒星的核心溫度達(dá)到13億攝氏度的時(shí)候,氖就會通過化學(xué)反應(yīng)變成氧。But those positrons are emitted with 550 kilo-electron volts of energy, equivalent to a temperature of six billion degrees Celsius. 不過這些正子的能量爲(wèi)55萬電子伏特,相儅於60億℃的高溫。Each of the components is useful in its degree. 每一個(gè)元件都各有程度不同的用処。The solar system was formed 4.5 billion years ago. 太陽系是四十五億年前形成的。U.S. investments here topped one billion dollars. 美國在這裡的投資超過了十億美元。Criticism is not lost on you to some degree. 在某種程度上,批評對你起了作用。 返回 billion-degree