Tetramethylammonium
四甲基铵
🗣️ 情景例句
Hello, sir.
您好，先生。
Will it never end?
没完没了。
But Alfred had deduced that the Danes were no longer fit for prolonged battle:
然而，阿尔弗雷德断定，丹麦人已不再适应持久的战争，