Quadrivalency
n. 四价
🗣️ 情景例句
telephone FAO Schwarz about the new twin baby dolls.
打电话给FAO Schwarz谈关于双胞娃娃玩具的事。
The gas stove is out of order.
这煤气灶坏了。
He lived in this century, was born in Germany and spent the last part of his life in the USA.
他生活在本世纪，出生于德国，在美国度过了他的晚年。