It looked like a blank sheet of paper but there was a message on it in invisible ink.

  • 这看起来像一张白纸,但上面有用隐显墨水书写的封信。

  • provided by jukuu 2025-03-01 01:51:45

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
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