/ˈper.ə.lel/
two or more lines that are parallel to each other are the same distance apart at every point 平行（的）
parallel lines
平行线
~ to/with sth
The road and the canal are parallel to each other.
道路与运河平行。
very similar or taking place at the same time 极相似的；同时发生的；相应的；对应的
a parallel case
同类型事例
parallel trends
并行发展的趋势