Trivalent
[trai'veilәnt]
解释:
(a.) Having a valence of three; capable of being combined with, substituted for, or compared with, three atoms of hydrogen; -- said of triad atoms or radicals; thus, nitrogen is trivalent in ammonia.
布什校对
解释:
adj. equivalent in combining or displacing power to three monad atoms.—n. Trī′valence (or triv′-).
手打:卡尔