Hydroscillator
分水机, 水力分选机, 水力分级器
🗣️ 情景例句
Grandma, I bet you have a lot of stories to tell.
奶奶，我敢打赌你会说很多故事。
Could you tell me where is the rest room?
你能不能告诉我洗手间在哪里？
But if I give you a ring, then you will know what it's about.
不过，如果我给你打电话，那时你就会知道我的诺言是什么了。