Quadrivalence
n. 四价\\n[医] 四价
🗣️ 情景例句
Then make a left turn.
然后向左转〃
Whoever said that is a liar.
无论谁说的，都是谎言。
You don't keep your word. Why didn't you tell me then? I've been looking forward to it. How can you change your mind at last minute?
你不守信用。为什么那时不告诉我呢？我一直都盼望着它呢。你怎么能在最后时刻改变主意呢？