英 [ˈhʌblɪs]
adj. 无轮毂的；无中枢刀片的
无中枢刀片的(hubless), 此释义来源于网络辞典。
hub 中心；毂；木片
I've seen a handful of hubless concept bikes but the Synapse bike goes one further with integrated electric motors to assist the rider.
我以前见过一些无轮毂概念自行车，但是这款突触自行车更进了一步，它集成电机从而是一台电动自行车。
It has crystal laser headlights and taillights and 'dragonfly' dual swing doors that open upwards. The car also has magnetic hubless electric wheel motors and a wireless autocharging system.
这款车型拥有水晶激光的前大灯和尾灯以及“蜻蜓”式向上打开的双扉门。该车还拥有磁性无轮毂电动机和一个无线自动操作系统。 。