transition-metal elements的用法和樣例：
例句
- A method to calculate new valence electronegativity and the ionicity of chemical bond of the transition metal elements is also presented here.
提出了計算過(guò)渡元素新價(jià)態(tài)電負性和化學(xué)鍵的離子性的方法。 - Except for the transitional elements, valency electrons are in the outermost electron shell.
除去過(guò)渡元素外，價(jià)電子位于最外面的電子層。
