例句與造句

1. The atomic number represents the number of nuclear protons or, in the undisturbed state, the number of extranuclear electrons .
   原子序數(shù)表示原子核內(nèi)質(zhì)子的數(shù)目，也是在未被干擾的狀態(tài)下核外的電子數(shù)。
2. It's difficult to find extranuclear electrons in a sentence. 用extranuclear electrons造句挺難的