C1 used when you want to give more detail or be more exact about something you have just said即,也就是说
More examples
I want you to know one thing, namely that if you run up debts, we will not pay them for you.
He was active in poorer parts of the church, namely in inner London and Manchester.
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
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