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smoke signal

更新日期:2026-08-14

词语 smoke signal
释义

smoke signal
释义
烟信号:一种古老的远距离通信方法,通过烟柱或间歇性的烟雾来传递信息。
例句
1·'We saw your smoke signal ,' they replied.
“我们看到了你的烟雾信号呀,”他们回答。
2·The bells confirmed with the smoke signal .
钟声证实了烟雾信号。
3·The results revealed that the smoke signal of adhesive can be reduced by increasing the content of LDA.
测试结果表明,增加联二脲添加量可以降低胶粘剂烟雾信号;

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