Quadrivalent
a. 四价的\\n[医] 四价的
✅ 同义词
🗣️ 情景例句
I want to break up with you.
我想和你分手。
Don't be a stranger!
别这么见外嘛！
One of links in the chain that drives the wheels had snapped.
驱动轮子的链条断了一节。