单词：early warning
early warning的用法和样例：
例句
- Basic early warning systems are being set up in the affected areas.受灾地区将会安装预警系统。
- Don't worry, we have a tsunami early warning system.别担心，我们有海啸预警系统。
词汇搭配
- early warning system预先警报系统...
单词：early warning 相关文章
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Warning an employee A: Listen, Christine, you can not afford another day off. Youve called in sick five times in the last three weeks. B: I know, Mr. Douglas. But I am really sick. A: Well, I want a note from the doctor on this one. And, to be honest
办公室英语口语
A no-smoking warning A: Excuse me, sir? Im afraid this is a no-smoking area. B: Whats that? A: Im sorry, sir. Smoking is not permitted in this area. B: Oh, sorry. Ill put it out. 请勿吸烟 A：对不起，先生？这里是无烟区。 B：什么？
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英闻天下
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