Dreye权威释义 | parallelogram

n.

同义参见:

以上来源于：《英汉大辞典》

/parəˈlɛləgram/

n.

a four-sided plane rectilinear figure with opposite sides parallel.

C16: from Fr. parallélogramme, via late L. from Gk parallēlogrammon, from parallēlos ‘alongside another’ + grammē ‘line’.

以上来源于：《简明牛津英语词典》