Splined hub
[机] 滑槽壳
🧩 词语组成解析
多键的
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
This will be a perfect jacket for the wintertime
这一件夹克就很受用
Please don't make a smell in the house with your cigar.
请不要在屋子里散布雪茄的气味吧。
but the means of escape from holiday hell(if the beach proves too crowded, the local weather too inclement)
而且也是逃离假日地狱（如海滩太挤，当地天气恶劣）的方便工具，