Knelled
v. 喪鐘聲( knell的過去式和過去分詞 ); 某事物結束的象征
??? 情景例句
If you had to describe the book in one sentence,
假如要你用一句話來描述這本書，
If he wants to make any changes,minor alternations can be made then.
如果他有什么意見的話，我們還可以對計劃稍加修改。
I can't get through.
我打不通。