1. | 价;化合价;原子价a measurement of the power of an atom to combine with others, by the number of hydrogen atoms it can combine with or displace |
Carbon has a valency of 4. 碳的化合价是 4 价。 |
2. | 组配数限,配价(一个词,尤指动词,在句子中结合的语法成分的数目)the number of grammatical elements that a word, especially a verb, combines with in a sentence |