The wheels are usually fairly large.
该机轮通常相当大。
Zipping down the main hallway, the foot-long (0.3 meter) red robots pivoted this way and that on their three wheels, resembling nothing so much as large insects.
一英尺高的红色机器人群快速地沿着主要走廊移动着,它们靠着下面的三轮转脚移动,就像一群大型昆虫。
The new Camaro and dozens of other cars on the market share another trait that makes their tires costlier: large-diameter wheels, a trend that has recently spread to ordinary cars.
新款Camaro和市场上的其他几十款车还有一个共同的特点,使得它们的轮胎更昂贵:大直径车轮,这种趋势最近已经蔓延到了普通汽车上。
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