In aprotic acids, it is some other electron-deficientelement.
在无质子的酸中,它是另一种缺电子元素。
2
Boron, the prototypical electron-deficientelement in the periodic table, is well-known for multicenter bonds.
硼作为周期表中典型的缺电子元素,易于形成多中心离域键。
3
When the soil is deficient in some particular element and where there are no others to substitute, the plants will grow to maturity bearing only a fraction of that mineral.