valence
/ˈveɪləns/
C1 · Advanced★☆☆☆☆
Simple Meaning
在科学中，表示一个原子如何与其他原子连接的数值。
When to Use
📚Academic Writing⚙️Technical
Advanced — complex ideas, academic/professional
Examples in Conversation
“碳的化合价是四，所以它能形成许多化学键。”
“教授在今天的化学课上讲解了价电子。”
Learning Path
▶Full Definition
An extract; a preparation, now especially one effective against a certain number of strains of a pathogen.