Singapore prohibit thre chewing gum bcos is serious polluton the environment. but our school is only throw the sugar-coating , n prohibit no ake the sweet lor......是什么意思_Singapore prohibit thre chewing gum bcos is serious polluton the environment. but our school is only throw the sugar-coating , n prohibit no ake the sweet lor......在线翻译_英语_读音_用法_例句