created sense approved 三键/三鍵 · sānjiàn · triple bond
三键 / 三鍵
sānjiàn
triple bond
a covalent chemical bond in which three pairs of electrons are shared between two atoms
乙炔的分子结构中包含一个碳碳三键。
created sense approved 三键/三鍵 · sānjiàn · triple link
三键 / 三鍵
sānjiàn
triple link
a structural, mechanical, or digital connection consisting of three units or keys
这种老式鼠标采用的是三键设计。