他们从这次实验中只得到了一组不完整的答案。
They only got an incomplete set of results from the experiment.
车轴,轮轴一个轮子或一组轮子在其上或围绕其转动的支撑杆或部件
A supporting shaft or member on or with which a wheel or a set of wheels revolves.
三只动物为一组,如猎狗
A set of three animals, such as hounds.