形容词
中文翻译：三价的
同义词：
['three-valent', 'three-valenced']
例句：
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1. The gold is three-valenced, which means it can be used in both positive and negative numbers.
这个金是三价的，意味着它可以在正数和负数中使用。
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2. In chemistry, the three-valenced metals are those that have three valence electrons.
在化学中，三价金属是指具有三个价电子的金属。
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3. The three-valenced metals are often used in electronic devices due to their high electrical conductivity.
由于其高电导性，三价金属常用于电子设备中。