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核对
🗣️ 情景例句
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
When the clock strikes twelve at midnight.
当午夜十二点的钟声敲响时。
We are always willing to cooperate with you and if necessary make some concessions.
我们总是愿意合作的，如果需要还可以做些让步。