Impeller hub
[化] 叶轮轮毂
🧩 词语组成解析
n. 推进者, 叶轮\\n[化] 叶轮
hub
[hʌb]
n. 轮轴;中心，焦点;（电器面板上的）电线插孔;[计]集线器;
🗣️ 情景例句
It's no use crying over spilt milk. What's done cannot be undone.
覆水难收。
She lost her dignity.
她失去了镇定。
I'll see you at six.
我六点钟见你。