Wofatit
離子交換樹脂
??? 情景例句
When addressing a judge, always use 'your honor'.
在對法官說話時， 一定要尊稱他為 'your honor'
Suspicion is the poison of true friendship.
猜疑傷害莫逆之交。
All produets have to go through five checks in the whole process.
所有產品在整個生產過程中得通過五道質量檢查關。