Hisam
[计] 分层索引顺序存取法
🗣️ 情景例句
She tore up all the letters he had sent her.
她把他写来的信全撕了。
Every man has his hobby-horse.
人各有所好。
Mr.Sawyer usually reads his newspaper, but sometimes he and his wife watch television.
索耶先生总是读报纸，但有时和他的妻子一起看电视。