Dimetalation
二金属取代作用
🗣️ 情景例句
Bye-bye.
再见。
He's looking forward to going to America.
他盼望去美国。
Fred realized that he had discovered an interesting and enjoyable way of making money.
弗雷德认识到，他已找到了一种既有趣又愉快的挣钱方法。