例句與造句

1. The parallactic refraction between the stars and the satellite is small and well determinate, except for the irregular stellar movements known as erratics .
   除了通稱為游動(dòng)的不規(guī)律星體運(yùn)動(dòng)之外，恒星和衛(wèi)星之間的視差折光差微小，而且是容易測定的。
2. It's difficult to find parallactic in a sentence. 用parallactic造句挺難的