As for the actual function of blushing, researchers are still trying to find that one out.

至于脸红的实际作用，研究人员仍在试图找出答案。

youdao

As for the actual function of blushing, researchers are still trying to find that one out.

至于脸红的实际作用，研究人员仍在试图找出答案。

youdao