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abbr. water hammer eliminator 水锤（击）作用消除器
🗣️ 情景例句
Thanks for your help.
谢谢你的帮助。
Sure, what did you want to know?
真的，你想知道什么呢？
Well, you just need lots of practice. The more you listen to English, the easier it becomes.
噢，你需要大量的练习。英语你听的越多，就越容易听懂。