Ballvalves
(ballvalve 的复数) 球型人造瓣膜
🗣️ 情景例句
but let's get a look at the view.
但让我们来瞧一瞧景色。
Can I take your order?
您要点菜吗？
That'll put us both in the picture.
这样双方都能了解全面的情况。