第三人称单数：talks down 现在分词：talking down 过去式：talked down
1.驳倒;放低嗓子说;放大声音盖过其他声音;【航空】(用无线电)引导着陆
1.to persuade someone to lower the price of something
2.to speak to and calm someone who is upset or nervous, especially because they have taken an illegal drug
3.to use a radio to explain to someone who is flying an airplane how to land it
4.to talk about someone or something in a way that makes people think they are not as good as they really are
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