Disincrustant
防水銹劑; 除垢劑
??? 情景例句
I was quite surprised when I read in your letter that you had decided not to finish your studies at the university.
當我在你的信中看到你已決定終止大學學業時感到很是驚訝。
You're wanted on the telephone.
你有電話。
We cannot change a law.
我們不能變更法律。