Whe
abbr. water hammer eliminator 水锤（击）作用消除器
🗣️ 情景例句
What's happening with you these days?
你近来好吗？
If you have any questions on the details， feel free to ask.
如果对某些细节有意见的话，请提出来。
Why? English is the first language in none of these countries.
为什么？在这些国家中英语都不是第一语言。