Quadrivalents
(quadrivalent 的复数) a. 四价的\\n[医] 四价的
🗣️ 情景例句
He didn't want to borrow any money.
他不想借钱。
Don't climb a tree to look for fish.
勿缘木求鱼。
Is Bill in, Sam?
萨姆，比尔在家吗？