例句與造句

1. And more hale than ever are the four major national laboratories that discovered atomic fission , the much more destructive nuclear fusion and the means to develop them into history ' s most dangerous weapons
   而且比過(guò)去更好的是四所主要國(guó)家實(shí)驗(yàn)室發(fā)現(xiàn)原子的裂變,更大毀滅性的核子融合和方法發(fā)展它們進(jìn)入最危險(xiǎn)的武器之內(nèi)歷史時(shí)期。
2. It's difficult to find atomic fission in a sentence. 用atomic fission造句挺難的