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
A lot of people will agree with him.
许多人会赞同他。
I asked him to lend me a book , but he wouldn't.
我请他把书借给我，但是他不肯。
Oh, cheer up!perhaps we didn't to do badly.
啊，别灰心！或许我们考得还不太糟。