Dimetalation
二金屬取代作用
??? 情景例句
Davis Aerobics Center for Good Health.
Davis有氧運動健身中心。
Therefore,we always put quality as the first consideration.
因而，我們總是把質量放在第一位來考慮。
We're not going to be able to get together on price.
在價格上我們的看法似乎無法一致。