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[电] Picofarad的简写
🗣️ 情景例句
Lillian will make me a happy man--finally. Lillian
会使我终于成为一个快乐的男人。
While you were writing letters,I was reading a book.
当你正在写信时，我正在读一本书。
You are never too old to learn.
活到老，学到老。