This is the 3162nd most frequent Chinese word.
交叉
"交叉" means "to intersect" or "to cross."
Here, “交叉” refers to the physical crossing or intersection of two streets.
这条街的两端形成了一个交叉路口。
Both ends of this street form an intersection.
In this sentence, “交叉” is used to describe the act or phenomenon of crossing over, applied to light.
在这个实验中,我们可以看到光的交叉现象。
In this experiment, we can observe the phenomenon of light crossing.
Here, “交叉” metaphorically indicates the exchange or interaction of ideas during a discussion.